This electronic document was downloaded from the GPO web site, November 2003, and is provided for information purposes only. The Code of Federal Regulations, Title 21, is updated April 1 of each year. The most current version of the regulations may be found at the GPO web site.
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178]
 
[Page 347-348]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178--INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents
 
 
Subpart A [Reserved]
 
 Subpart B--Substances Utilized To Control the Growth of Microorganisms
 
Sec.
178.1005  Hydrogen peroxide solution.
178.1010  Sanitizing solutions.
 
                 Subpart C--Antioxidants and Stabilizers
 
178.2010  Antioxidants and/or stabilizers for polymers.
178.2550  4-Hydroxymethyl-2,6-di-tert-butylphenol.
178.2650  Organotin stabilizers in vinyl chloride plastics.
 
[[Page 348]]
 
            Subpart D--Certain Adjuvants and Production Aids
 
178.3010  Adjuvant substances used in the manufacture of foamed 
          plastics.
178.3120  Animal glue.
178.3125  Anticorrosive agents.
178.3130  Antistatic and/or antifogging agents in food-packaging 
          materials.
178.3280  Castor oil, hydrogenated.
178.3290  Chromic chloride complexes.
178.3295  Clarifying agents for polymers.
178.3297  Colorants for polymers.
178.3300  Corrosion inhibitors used for steel or tinplate.
178.3400  Emulsifiers and/or surface-active agents.
178.3450  Esters of stearic and palmitic acids.
178.3480  Fatty alcohols, synthetic.
178.3500  Glycerin, synthetic.
178.3505  Glyceryl tri-(12-acetoxystearate).
178.3520  Industrial starch-modified.
178.3530  Isoparaffinic petroleum hydrocarbons, synthetic.
178.3570  Lubricants with incidental food contact.
178.3600  Methyl glucoside-coconut oil ester.
178.3610  a-Methylstyrene-vinyltoluene resins, hydrogenated.
178.3620  Mineral oil.
178.3650  Odorless light petroleum hydrocarbons.
178.3690  Pentaerythritol adipate-stearate.
178.3700  Petrolatum.
178.3710  Petroleum wax.
178.3720  Petroleum wax, synthetic.
178.3725  Pigment dispersants.
178.3730  Piperonyl butoxide and pyrethrins as components of bags.
178.3740  Plasticizers in polymeric substances.
178.3750  Polyethylene glycol (mean molecular weight 200-9,500).
178.3760  Polyethylene glycol (400) monolaurate.
178.3770  Polyhydric alcohol esters of oxidatively refined (Gersthofen 
          process) montan wax acids.
178.3780  Polyhydric alcohol esters of long chain monobasic acids.
178.3790  Polymer modifiers in semirigid and rigid vinyl chloride 
          plastics.
178.3800  Preservatives for wood.
178.3850  Reinforced wax.
178.3860  Release agents.
178.3870  Rosins and rosin derivatives.
178.3900  Sodium pentachlorophenate.
178.3910  Surface lubricants used in the manufacture of metallic 
          articles.
178.3930  Terpene resins.
178.3940  Tetraethylene glycol di-(2-ethyl-hexoate).
178.3950  Tetrahydrofuran.
 
    Authority: 21 U.S.C. 321, 342, 348, 379e.
 
    Source: 42 FR 14609, Mar. 15, 1977, unless otherwise noted.
 
    Editorial Note: Nomenclature changes to part 178 appear at 61 FR 
14482, Apr. 2, 1996, 66 FR 56035, Nov. 6, 2001, 66 FR 66742, Dec. 27, 
2001, and 68 FR 15355, Mar. 31, 2003.
 
Subpart A [Reserved]
 
 
 
 
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178.1005]
 
[Page 348-349]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178--INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents
 
 Subpart B--Substances Utilized To Control the Growth of Microorganisms
 
Sec. 178.1005  Hydrogen peroxide solution.
 
 
    Hydrogen peroxide solution identified in this section may be safely 
used to sterilize polymeric food-contact surfaces identified in 
paragraph (e)(1) of this section.
    (a) Identity. For the purpose of this section, hydrogen peroxide 
solution is an aqueous solution containing not more than 35 percent 
hydrogen peroxide (CAS Reg. No. 7722-84-1) by weight, meeting the 
specifications prescribed in paragraph (c) of this section.
    (b) Optional adjuvant substances. Hydrogen peroxide solution 
identified in paragraph (a) of this section may contain substances 
generally recognized as safe in or on food, substances generally 
recognized for their intended use in food packaging, substances used in 
accordance with a prior sanction or approval, and substances permitted 
by applicable regulations in parts 174 through 179 of this chapter.
    (c) Specifications. Hydrogen peroxide solution shall meet the 
specifications of the "Food Chemicals Codex," 3d Ed. (1981), pp. 146-
147, which is incorporated by reference (copies may be obtained from the 
National Academy Press, 2101 Constitution Ave. NW., Washington, DC 
20418, or may be examined at the Office of the Federal Register, 800 
North Capitol Street, NW., suite 700, Washington, DC 20408), and the 
United States Pharmacopeia XX (1980), except that hydrogen peroxide may 
exceed the concentration specified therein.
    (d) Limitations. No use of hydrogen peroxide solution in the 
sterilization of food packaging material shall be considered to be in 
compliance if more than 0.5 part per million of hydrogen peroxide can be 
determined in distilled water packaged under production conditions 
(assay to be performed immediately after packaging).
 
[[Page 349]]
 
    (e) Conditions of use. (1) Hydrogen peroxide solution identified in 
and complying with the specifications in this section may be used by 
itself or in combination with other processes to treat food-contact 
surfaces to attain commercial sterility at least equivalent to that 
attainable by thermal processing for metal containers as provided for in 
part 113 of this chapter. Food-contact surfaces include the following:
 
------------------------------------------------------------------------
                Substances                           Limitations
------------------------------------------------------------------------
Ethylene-acrylic acid copolymers..........  Complying with Sec.
                                             177.1310 of this chapter.
Ethylene-carbon monoxide copolymers.......  Complying with Sec.
                                             177.1312 of this chapter.
Ethylene-methyl acrylate copolymer resins.  Complying with Sec.
                                             177.1340 of this chapter.
Ethylene-vinyl acetate copolymers.........  Complying with Sec.
                                             177.1350 of this chapter.
Ionomeric resins..........................  Complying with Sec.
                                             177.1330 of this chapter.
Isobutylene polymers......................  Complying with Sec.
                                             177.1420 (a)(1) and (a)(2)
                                             of this chapter.
Olefin polymers...........................  Complying with Sec.
                                             177.1520 of this chapter.
Polycarbonate resins......................  Complying with Sec.
                                             177.1580 of this chapter.
Polyethylene-terephthalate polymers.......  Complying with Sec.
                                             177.1630 of this chapter
                                             (excluding polymers
                                             described in Sec.
                                             177.1630(c)) of this
                                             chapter.
Poly-l-butene resins and butene/ethylene    Complying with Sec.
 copolymers.                                 177.1570 of this chapter.
Polystryrene and rubber-modified            Complying with Sec.
 polystyrene polymers.                       177.1640 of this chapter.
Vinylidene chloride/methyl acrylate         Complying with Sec.
 copolymers.                                 177.1990 of this chapter.
------------------------------------------------------------------------
 
    (2) The packaging materials identified in paragraph (e)(1) of this 
section may be used for packaging all commercially sterile foods except 
that the olefin polymers may be used in articles for packaging foods 
only of the types identified in Sec. 176.170(c) of this chapter, table 
1, under Categories I, II, III, IV-B, V, and VI.
    (3) Processed foods packaged in the materials identified in 
paragraph (e)(1) of this section shall conform with parts 108, 110, 113, 
and 114 of this chapter as applicable.
 
[46 FR 2342, Jan. 9, 1981, as amended at 49 FR 10111, Mar. 19, 1984; 49 
FR 32345, Aug. 14, 1984; 49 FR 37747, Sept. 26, 1984; 51 FR 45881, Dec. 
23, 1986; 52 FR 26146, July 13, 1987; 53 FR 47186, Nov. 22, 1988; 54 FR 
5604, Feb. 6, 1989; 54 FR 13167, Mar. 31, 1989; 54 FR 6365 Feb. 9, 1989; 
55 FR 47055, Nov. 9, 1990; 57 FR 32423, July 22, 1992]
 
 
 
 
 
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178.1010]
 
[Page 349-358]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178--INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents
 
 Subpart B--Substances Utilized To Control the Growth of Microorganisms
 
Sec. 178.1010  Sanitizing solutions.
 
    Sanitizing solutions may be safely used on food-processing equipment 
and utensils, and on other food-contact articles as specified in this 
section, within the following prescribed conditions:
    (a) Such sanitizing solutions are used, followed by adequate 
draining, before contact with food.
    (b) The solutions consist of one of the following, to which may be 
added components generally recognized as safe and components which are 
permitted by prior sanction or approval.
    (1) An aqueous solution containing potassium, sodium, or calcium 
hypochlorite, with or without the bromides of potassium, sodium, or 
calcium.
    (2) An aqueous solution containing dichloroisocyanuric acid, 
trichloroisocyanuric acid, or the sodium or potassium salts of these 
acids, with or without the bromides of potassium, sodium, or calcium.
    (3) An aqueous solution containing potassium iodide, sodium p-
toluenesulfonchloroamide, and sodium lauryl sulfate.
    (4) An aqueous solution containing iodine, butoxy monoether of mixed 
(ethylene-propylene) polyalkylene glycol having a cloudpoint of 90 deg.-
100  deg.C in 0.5 percent aqueous solution and an average molecular 
weight of 3,300, and ethylene glycol monobutyl ether. Additionally, the 
aqueous solution may contain diethylene glycol monoethyl ether as an 
optional ingredient.
    (5) An aqueous solution containing elemental iodine, hydriodic acid, 
a-(p-nonylphenyl)-omega-hydroxypoly-(oxyethylene) (complying with the 
identity prescribed in Sec. 178.3400(c) and having a maximum average 
molecular weight of 748) and/or polyoxyethylene-polyoxypropylene block 
polymers (having a minimum average molecular weight of 1,900). 
Additionally, the aqueous solution may contain isopropyl alcohol as an 
optional ingredient.
    (6) An aqueous solution containing elemental iodine, sodium iodide, 
sodium dioctylsulfosuccinate, and polyoxyethylene-polyoxypropylene block 
polymers (having a minimum average molecular weight of 1,900).
    (7) An aqueous solution containing dodecylbenzenesulfonic acid and 
either isopropyl alcohol or polyoxyethylene-
 
[[Page 350]]
 
polyoxypropylene block polymers (having a minimum average molecular 
weight of 2,800). In addition to use on food-processing equipment and 
utensils, this solution may be used on glass bottles and other glass 
containers intended for holding milk.
    (8) An aqueous solution containing elemental iodine, butoxy 
monoether of mixed (ethylene-propylene) polyalkylene glycol having a 
minimum average molecular weight of 2,400 and [alpha]-lauroyl-omega-
hydroxypoly (oxyethylene) with an average 8-9 moles of ethylene oxide 
and an average molecular weight of 400. In addition to use on food-
processing equipment and utensils, this solution may be used on beverage 
containers, including milk containers or equipment. Rinse water treated 
with this solution can be recirculated as a preliminary rinse. It is not 
to be used as final rinse.
    (9) An aqueous solution containing n-alkyl (C12-
C18) benzyldimethylam-monium chloride compounds having 
average molecular weights of 351 to 380. The alkyl groups consist 
principally of groups with 12 to 16 carbon atoms and contain not more 
than 1 percent each of groups with 8 and 10 carbon atoms. Additionally, 
the aqueous solution may contain either ethyl alcohol or isopropyl 
alcohol as an optional ingredient.
    (10) An aqueous solution containing trichloromelamine and either 
sodium lauryl sulfate or dodecyl- benzenesulfonic acid. In addition to 
use on food-processing equipment and utensils and other food-contact 
articles, this solution may be used on beverage containers except milk 
containers or equipment.
    (11) An aqueous solution containing equal amounts of n-alkyl 
(C12-C18) benzyl dimethyl ammonium chloride and n-
alkyl (C12-C18) dimethyl ethylbenzyl ammonium 
chloride (having an average molecular weight of 384). In addition to use 
on food-processing equipment and utensils, this solution may be used on 
food-contact surfaces in public eating places.
    (12) An aqueous solution containing the sodium salt of sulfonated 
oleic acid, polyoxyethylene-polyoxypropylene block polymers (having an 
average molecular weight of 2,000 and 27 to 31 moles of 
polyoxypropylene). In addition to use on food-processing equipment and 
utensils, this solution may be used on glass bottles and other glass 
containers intended for holding milk. All equipment, utensils, glass 
bottles, and other glass containers treated with this sanitizing 
solution shall have a drainage period of 15 minutes prior to use in 
contact with food.
    (13) An aqueous solution containing elemental iodine and alkyl 
(C12-C15) monoether of mixed (ethylene-propylene) 
polyalkylene glycol, having a cloud-point of 70 deg.-77  deg.C in 1 
percent aqueous solution and an average molecular weight of 807.
    (14) An aqueous solution containing iodine, butoxy monoether of 
mixed (ethylene-propylene) polyalkylene glycol, having a cloud-point of 
90 deg.-100  deg.C in 0.5 percent aqueous solution and an average 
molecular weight of 3,300, and polyoxyethylene-polyoxypropylene block 
polymers (having a minimum average molecular weight of 2,000).
    (15) An aqueous solution containing lithium hypochlorite.
    (16) An aqueous solution containing equal amounts of n-alkyl 
(C12-C18) benzyl dimethyl ammonium chloride and n-
alkyl (C12-C14) dimethyl ethylbenzyl ammonium 
chloride (having average molecular weights of 377 to 384), with the 
optional adjuvant substances tetrasodium ethylenediaminetetraacetate 
and/or alpha-(p-nonylphenol)-omega-hydroxy poly (oxyethylene) having an 
average poly- (oxyethylene) content of 11 moles. Alpha-hydro-omega-
hydroxypoly-(oxyethylene) poly(oxypropoylene) (15 to 18 mole minimum) 
poly (oxyethylene) block copolymer, having a minimum molecular weight of 
1,900 (CAS Registry No. 9003-11-6) may be used in lieu of alpha- (p-
nonylphenol)-omega-hydroxy- poly(oxyethylene) having an average 
poly(oxyethylene) content of 11 moles. In addition to use on food-
processing equipment and utensils, this solution may be used on food-
contact surfaces in public eating places.
    (17) An aqueous solution containing di-n-alkyl(C8-
C10)dimethyl ammonium chlorides having average molecular 
weights of 332-361 and either ethyl alcohol or isopropyl alcohol. In 
addition
 
[[Page 351]]
 
to use on food-processing equipment and utensils, this solution may be 
used on food-contact surfaces in public eating places.
    (18) An aqueous solution containing n-alkyl(C12-
C18) benzyldimethylammo-nium chloride, sodium metaborate, 
alpha-terpineol and alpha[p-(1,1,3,3-tetramethylbutyl)phenyl] -omega-
hydroxy-poly (oxyethylene) produced with one mole of the phenol and 4 to 
14 moles ethylene oxide.
    (19) An aqueous solution containing sodium dichloroisocyanurate and 
tetrasodium ethylenediaminetetraacetate. In addition to use on food-
processing equipment and utensils, this solution may be used on food-
contact surfaces in public eating places.
    (20) An aqueous solution containing ortho-phenylphenol, ortho-
benzyl-para-chlorophenol, para-tertiaryamylphenol, sodium -alpha-
alkyl(C12-C15)-omega-hydroxypoly (oxyethylene) 
sulfate with the poly(oxyethylene) content averaging one mole, potassium 
salts of coconut oil fatty acids, and isopropyl alcohol or hexylene 
glycol.
    (21) An aqueous solution containing sodium dodecylbenzenesulfonate. 
In addition to use on food-processing equipment and utensils, this 
solution may be used on glass bottles and other glass containers 
intended for holding milk.
    (22) An aqueous solution containing (1) di-n-alkyl(C8-
C10) dimethylammonium chloride compounds having average 
molecular weights of 332-361, (2) n-alkyl (C12-
C18) benzyldimethylammonium chloride compounds having average 
molecular weights of 351-380 and consisting principally of alkyl groups 
with 12 to 16 carbon atoms with or without not over 1 percent each of 
groups with 8 and 10 carbon atoms, and (3) ethyl alcohol. The ratio of 
compound (1) to compound (2) is 60 to 40.
    (23) An aqueous solution containing n-alkyl (C12-
C16) benzyl-dimethylammonium chloride and 
didecyldimethylammonium chloride.
    (24) An aqueous solution containing elemental iodine (CAS Reg. No. 
7553-56-2), alpha-[p-(1,1,3,3-tetramethylbutyl)-phenyl]-omega-
hydroxypoly-(oxyethylene) produced with one mole of the phenol and 4 to 
14 moles ethylene oxide, and alpha-alkyl(C12-C15)-
omega-hydroxy[poly(oxyethylene) poly(oxypropylene)] (having an average 
molecular weight of 965).
    (25) An aqueous solution containing elemental iodine (CAS Reg. No. 
7553-56-2), potassium iodide (CAS Reg. No. 7681-11-0), and isopropanol 
(CAS Reg. No. 67-63-0). In addition to use on food processing equipment 
and utensils, this solution may be used on beverage containers, 
including milk containers and equipment and on food-contact surfaces in 
public eating places.
    (26) [Reserved]
    (27) An aqueous solution containing decanoic acid (CAS Reg. No. 334-
48-5), octanoic acid (CAS Reg. No. 124-07-2), and sodium 1-
octanesulfonate (CAS Reg. No. 5324-84-5). Additionally, the aqueous 
solution may contain isopropyl alcohol (CAS Reg. No. 67-63-0) as an 
optional ingredient.
    (28) An aqueous solution containing sulfonated 9-octadecenoic acid 
(CAS Reg. No. 68988-76-1) and sodium xylenesulfonate (CAS Reg. No. 1300-
72-7).
    (29) An aqueous solution containing dodecyldiphenyloxidedisulfonic 
acid (CAS Reg. No. 30260-73-2), sulfonated tall oil fatty acid (CAS Reg. 
No. 68309-27-3), and neo-decanoic acid (CAS Reg. No. 26896-20-8). In 
addition to use on food-processing equipment and utensils, this solution 
may be used on glass bottles and other glass containers intended for 
holding milk.
    (30) An aqueous solution containing hydrogen peroxide (CAS Reg. No. 
7722-84-1), peracetic acid (CAS Reg. No. 79-21-0), acetic acid (CAS Reg. 
No. 64-19-7), and 1-hydroxyethylidene-1,1-diphosphonic acid (CAS Reg. 
No. 2809-21-4).
    (31) An aqueous solution containing elemental iodine, alpha-
alkyl(C10-C14)-omega-hydroxypoly(oxyethylene)poly-
(oxypropylene) of average molecular weight between 768 and 837, and 
alpha-alkyl(C12-C18)-omega-
hydroxypoly(oxyethylene) poly(oxypropylene) of average molecular weight 
between 950 and 1,120. In addition to use on food-processing equipment 
and utensils, this solution may be used on food-contact surfaces in 
public eating places.
 
[[Page 352]]
 
    (32) An aqueous solution containing (i) di-n-alkyl(C8-
C10)dimethyl- ammonium chloride compounds having average 
molecular weights of 332 to 361, (ii) n-alkyl(C12-
C18)benzyldimethyl- ammonium chloride compounds having 
average molecular weights of 351 to 380 and consisting principally of 
alkyl groups with 12 to 16 carbon atoms with no more than 1 percent of 
groups with 8 and 10, (iii) ethyl alcohol, and (iv) alpha-(p-
nonylphenyl)-omega-hydroxypoly(oxyethylene) produced by the condensation 
of 1 mole of p-nonylphenol with 9 to 12 moles of ethylene oxide. The 
ratio of compound (i) to compound (ii) is 3 to 2.
    (33) An aqueous solution containing (i) di-n-alkyl-(C8-
C10)-dimethylammonium chloride compounds having average 
molecular weights of 332 to 361; (ii) n-alkyl(C12-
C18) -benzyldimethylammonium chloride compounds having 
molecular weights of 351 to 380 and consisting principally of alkyl 
groups with 12 to 16 carbon atoms with no more than 1 percent of the 
groups with 8 to 10; and (iii) tetrasodium ethylenediamine tetraacetate. 
Additionally, the aqueous solution contains either alpha-(p-
nonylphenyl)-omega-hydroxypoly-(oxyethylene) or alpha-
alkyl(C11-C15)-omega-hydroxypoly-(oxyethylene), 
each produced with 9 to 13 moles of ethylene oxide. The ratio of 
compound (i) to compound (ii) is 3 to 2.
    (34) An aqueous solution of an equilibrium mixture of oxychloro 
species (predominantly chlorite, chlorate, and chlorine dioxide) 
generated either (i) by directly metering a concentrated chlorine 
dioxide solution, prepared just prior to use, into potable water to 
provide the concentration of available chlorine dioxide stated in 
paragraph (c)(29) of this section, or (ii) by acidification of an 
aqueous alkaline solution of oxychloro species (predominantly chlorite 
and chlorate) followed by dilution with potable water to provide the 
concentration of available chlorine dioxide described in paragraph 
(c)(29) of this section.
    (35) An aqueous solution containing decanoic acid (CAS Reg. No. 334-
48-5), octanoic acid (CAS Reg. No. 124-07-2), lactic acid (CAS Reg. No. 
050-21-5), phosphoric acid (CAS Reg. No. 7664-38-2) and a mixture of the 
sodium salt of naphthalenesulfonic acid (CAS Reg. No. 1321-69-3); the 
methyl, dimethyl, and trimethyl dervatives of the sodium salt of 
naphthalenesulfonic acid; and a mixture of the sodium salt of 
naphthalenesulfonic acid, and the methyl, dimethyl, and trimethyl 
derivatives of the sodium salt of naphthalenesulfonic acid alkylated at 
3 percent by weight with C6-C9 linear olefins, as 
components of a sanitizing solution to be used on food-processing 
equipment and utensils. The methyl and dimethyl substituted derivatives 
(described within this paragraph (b)(35)) constitute no less than 70 
percent by weight of the mixture of naphthalenesulfonates.
    (36) The sanitizing solution contains decanoic acid (CAS Reg. No. 
334-48-5); octanoic acid (CAS Reg. No. 124-07-2); lactic acid (CAS Reg. 
No. 050-21-5); phosphoric acid (CAS Reg. No. 7664-38-2); a mixture of 1-
octanesulfonic acid (CAS Reg. No. 3944-72-7), and 1-octanesulfonic-2-
sulfinic acid (CAS Reg. No. 113652-56-5) or 1,2-octanedisulfonic acid 
(CAS Reg. No. 1934210); the condensate of four moles of 
poly(oxyethylene)poly(oxypropylene) block copolymers with one mole of 
ethylenediamine (CAS Reg. No. 11111-34-5); and the optional ingredient 
FD&C Yellow No. 5 (CAS Reg. No. 001934210). In addition to use on food-
processing equipment and utensils, this solution may be used on dairy-
processing equipment.
    (37) The sanitizing solution contains sodium hypochlorite (CAS Reg. 
No. 7681-52-9), trisodium phosphate (CAS Reg. No. 7601-54-9), sodium 
lauryl sulfate (CAS Reg. No. 151-21-3), and potassium permanganate (CAS 
Reg. No. 7722-64-7). Magnesium oxide (CAS Reg. No. 1309-48-4) and 
potassium bromide (CAS Reg. No. 7758-02-3) may be added as optional 
ingredients to this sanitizing solution. In addition to use on food-
processing equipment and utensils, this solution may be used on food-
contact surfaces in public eating places.
    (38) An aqueous solution containing hydrogen peroxide (CAS Reg. No. 
7722-84-1); peroxyacetic acid (CAS Reg. No. 79-21-0); acetic acid (CAS 
Reg. No. 64-
 
[[Page 353]]
 
19-7); sulfuric acid (CAS Reg. No. 7664-93-9); and 2,6-
pyridinedicarboxylic acid (CAS Reg. No. 499-83-2). In addition to use on 
food-processing equipment and utensils, this solution may be used on 
dairy-processing equipment.
    (39) An aqueous solution containing phosphoric acid (CAS Reg. No. 
7664-38-2); octenyl succinic acid (CAS Reg. No. 28805-58-5); N,N-
dimethyloctanamine (CAS Reg. No. 7378-99-6); and a mixture of n-
carboxylic acids (C6-C12, consisting of not less 
than 56 percent octanoic acid and not less than 40 percent decanoic 
acid). This solution may be used on food-processing equipment and 
utensils, including dairy-processing equipment.
    (40) An aqueous solution prepared by combining elemental iodine (CAS 
Reg. No. 7553-56-2); hydriodic acid (CAS Reg. No. 10034-85-2); sodium N-
cyclohexyl-N-palmitoyl taurate (CAS Reg. No. 132-43-4); chloroacetic 
acid, sodium salt reaction products with 4,5-dihydro-2-undecyl-1H-
imidazole-1-ethanol and sodium hydroxide (CAS Reg. No. 68608-66-2); 
dodecylbenzene sulfonic acid (CAS Reg. No. 27176-87-0); phosphoric acid 
(CAS Reg. No. 7664-38-2); isopropyl alcohol (CAS Reg. No. 67-63-0); and 
calcium chloride (CAS Reg. No. 10043-52-4). In addition to use on food-
processing equipment and utensils, this solution may be used on dairy-
processing equipment.
    (41) An aqueous solution containing n-alkyl(C12-
C16)benzyldimethylammonium chloride, having average molecular 
weights ranging from 351 to 380 wherein the alkyl groups contain 
principally 12 to 16 carbons and not more than 1 percent each of the 
groups with 8 and 10 carbon atoms; ammonium chloride (CAS Reg. No. 
12125-02-9); calcium stearate (CAS Reg. No. 1592-23-0); sodium 
bicarbonate (CAS Reg. No. 144-55-8); starch or dextrin, or both starch 
and dextrin (CAS Reg. No. 9004-53-9); and the optional ingredient 
methylene blue (CAS Reg. No. 61-73-4). In addition to use on food-
processing equipment and utensils, this solution may be used on food-
contact surfaces in public eating places.
    (42) An aqueous solution containing decanoic acid (CAS Reg. No. 334-
48-5), nonanoic acid (CAS Reg. No. 112-05-0), phosphoric acid (CAS Reg. 
No. 7664-38-2), propionic acid (CAS Reg No. 79-09-04), and sodium 1-
octanesulfonate (CAS Reg. No. 5324-84-5). Sulfuric acid (CAS Reg. No. 
7664-93-9) may be added as an optional ingredient. In addition to use on 
food-processing equipment and utensils, this solution may be used on 
dairy-processing equipment.
    (43) An aqueous solution of iodine and hypochlorous acid generated 
by the dilution of an aqueous acidic (21.5 percent nitric acid) solution 
of iodine monochloride. In addition to use on food-processing equipment 
and utensils, this solution may be used on dairy-processing equipment.
    (44) An aqueous solution of citric acid, disodium 
ethylenediaminetetraacetate, sodium lauryl sulfate, and monosodium 
phosphate. In addition to use on food-processing equipment and utensils, 
this solution may be used on dairy-processing equipment.
    (45) An aqueous solution of hydrogen peroxide, acetic acid, 
peroxyacetic acid, octanoic acid, peroxyoctanoic acid, sodium 1-
octanesulfonate, and 1-hydroxyethylidene-1,1-diphosphonic acid. In 
addition to use on food-processing equipment and utensils, this solution 
may be used on food-contact surfaces in public eating places, subject to 
the limitations in paragraph (c)(39) of this section.
    (46) An aqueous solution of chlorine dioxide and related oxychloro 
species generated by acidification of an aqueous solution of sodium 
chlorite with a solution of sodium gluconate, citric acid, phosphoric 
acid, and sodium mono- and didodecylphenoxybenzenedisulfonate. In 
addition to use on food-processing equipment and utensils, this solution 
may be used on dairy-processing equipment.
    (c) The solutions identified in paragraph (b) of this section will 
not exceed the following concentrations:
    (1) Solutions identified in paragraph (b)(1) of this section will 
provide not more than 200 parts per million of available halogen 
determined as available chlorine.
    (2) Solutions identified in paragraph (b)(2) of this section will 
provide not more than 100 parts per million of
 
[[Page 354]]
 
available halogen determined as available chlorine.
    (3) Solution identified in paragraph (b)(3) of this section will 
provide not more than 25 parts per million of titratable iodine. The 
solutions will contain the components potassium iodide, sodium p-
toluenesulfonchloramide and sodium lauryl sulfate at a level not in 
excess of the minimum required to produce their intended functional 
effect.
    (4) Solutions identified in paragraph (b)(4), (5), (6), (8), (13), 
and (14) of this section will contain iodine to provide not more than 25 
parts per million of titratable iodine. The adjuvants used with the 
iodine will not be in excess of the minimum amounts required to 
accomplish the intended technical effect.
    (5) Solutions identified in paragraph (b)(7) of this section will 
provide not more than 400 parts per million dodecylbenzenesulfonic acid 
and not more than 80 parts per million of polyoxyethylene-
polyoxypropylene block polymers (having a minimum average molecular 
weight of 2,800) or not more than 40 parts per million of isopropyl 
alcohol.
    (6) Solutions identified in paragraph (b)(9) of this section shall 
provide when ready to use no more than 200 parts per million of the 
active quaternary compound.
    (7) Solutions identified in paragraph (b)(10) of this section shall 
provide not more than sufficient trichloromelamine to produce 200 parts 
per million of available chlorine and either sodium lauryl sulfate at a 
level not in excess of the minimum required to produce its intended 
functional effect or not more than 400 parts per million of 
dodecylbenzenesulfonic acid.
    (8) Solutions identified in paragraph (b)(11) of this section shall 
provide, when ready to use, not more than 200 parts per million of 
active quaternary compound.
    (9) The solution identified in paragraph (b)(12) of this section 
shall provide not more than 200 parts per million of sulfonated oleic 
acid, sodium salt.
    (10) Solutions identified in paragraph (b)(15) of this section will 
provide not more than 200 parts per million of available chlorine and 
not more than 30 ppm lithium.
    (11) Solutions identified in paragraph (b)(16) of this section shall 
provide not more than 200 parts per million of active quaternary 
compound.
    (12) Solutions identified in paragraph (b)(17) of this section shall 
provide, when ready to use, a level of 150 parts per million of the 
active quaternary compound.
    (13) Solutions identified in paragraph (b)(18) of this section shall 
provide not more than 200 parts per million of active quaternary 
compound and not more than 66 parts per million of alpha[p-(1,1,3,3-
tetramethylbutyl) phenyl]-omega-hydroxypoly (oxyethylene).
    (14) Solutions identified in paragraph (b)(19) of this section shall 
provide, when ready to use, a level of 100 parts per million of 
available chlorine.
    (15) Solutions identified in paragraph (b)(20) of this section are 
for single use applications only and shall provide, when ready to use, a 
level of 800 parts per million of total active phenols consisting of 400 
parts per million ortho-phenylphenol, 320 parts per million ortho-
benzyl-para-chlorophenol and 80 parts per million para-
tertiaryamylphenol.
    (16) Solution identified in paragraph (b)(21) of this section shall 
provide not more than 430 parts per million and not less than 25 parts 
per million of sodium dodecylbenzenesulfonate.
    (17) Solutions identified in paragraph (b)(22) of this section shall 
provide, when ready to use, at least 150 parts per million and not more 
than 400 parts per million of active quaternary compound.
    (18) Solutions identified in paragraph (b)(23) of this section shall 
provide at least 150 parts per million and not more than 200 parts per 
million of the active quaternary compound.
    (19) Solutions identified in paragraphs (b)(24), (b)(25), and 
(b)(43) of this section shall provide at least 12.5 parts per million 
and not more than 25 parts per million of titratable iodine. The 
adjuvants used with the iodine shall not be in excess of the minimum 
amounts required to accomplish the intended technical effect.
    (20)-(21) [Reserved]
 
[[Page 355]]
 
    (22) Solutions identified in paragraph (b)(27) of this section shall 
provide, when ready to use, at least 109 parts per million and not more 
than 218 parts per million of total active fatty acids and at least 156 
parts per million and not more than 312 parts per million of the sodium 
1-octanesulfonate.
    (23) Solutions identified in paragraph (b)(28) of this section shall 
provide, when ready to use, at least 156 parts per million and not more 
than 312 parts per million of sulfonated 9-octadecenoic acid, at least 
31 parts per million and not more then 62 parts per million of sodium 
xylenesulfonate.
    (24) Solutions identified in paragraph (b)(29) of this section will 
provide at least 237 parts per million and not more than 474 parts per 
million dodecyldiphenyloxidedisulfonic acid, at least 33 parts per 
million and not more than 66 parts per million sulfonated tall oil fatty 
acid, and at least 87 parts per million and not more than 174 parts per 
million neo-decanoic acid.
    (25) Solutions identified in paragraph (b)(30) of this section shall 
provide, when ready to use, not less than 550 parts per million and not 
more than 1,100 parts per million hydrogen peroxide, not less than 100 
parts per million and not more than 200 parts per million peracetic 
acid, not less than 150 parts per million and not more than 300 parts 
per million acetic acid, and not less than 15 parts per million and not 
more than 30 parts per million 1-hydroxyethylidene-1,1-diphosphonic 
acid.
    (26) The solution identified in paragraph (b)(31) of this section 
shall provide, when ready to use, at least 12.5 parts per million and 
not more than 25 parts per million of titratable iodine. The adjuvants 
used with the iodine will not be in excess of the minimum amounts 
required to accomplish the intended technical effect.
    (27) Solutions identified in paragraph (b)(32) of this section shall 
provide, when ready to use, at least 150 parts per million and no more 
than 400 parts per million of active quarternary compounds in solutions 
containing no more than 600 parts per million water hardness. The 
adjuvants used with the quarternary compounds will not exceed the 
amounts required to accomplish the intended technical effect.
    (28) Solutions identified in paragraph (b)(33) of this section shall 
provide, when ready to use, at least 150 parts per million and not more 
than 400 parts per million of active quaternary compounds. The adjuvants 
used with the quaternary compounds shall not exceed the amounts required 
to accomplish the intended technical effect. Tetrasodium ethylenediamine 
tetraacetate shall be added at a minimum level of 60 parts per million. 
Use of these sanitizing solutions shall be limited to conditions of 
water hardness not in excess of 300 parts per million.
    (29) Solutions identified in paragraph (b)(34) of this section 
should provide, when ready to use, at least 100 parts per million and 
not more than 200 parts per million available chlorine dioxide as 
determined by the method titled "Iodometric Method for the 
Determination of Available Chlorine Dioxide (50-250 ppm available 
ClO2)," which is incorporated by reference. Copies are 
available from the Center for Food Safety and Applied Nutrition (HFS-
200), Food and Drug Administration, 5100 Paint Branch Pkwy., College 
Park, MD 20740, or available for inspection at the Office of the Federal 
Register, 800 North Capitol Street, NW., suite 700, Washington, DC 
20408.
    (30) Solutions identified in paragraph (b)(35) of this section shall 
provide, when ready for use, at least 117 parts per million and not more 
than 234 parts per million of total fatty acids and at least 166 parts 
per million and not more than 332 parts per million of a mixture of 
naphthalenesulfonates. The adjuvants phosphoric acid and lactic acid, 
used with decanoic acid, octanoic acid, and sodium naphthalenesulfonate 
and its alkylated derivatives, will not be in excess of the minimum 
amounts required to accomplish the intended technical effects.
    (31) Solutions identified in paragraph (b)(36) of this section shall 
provide, when ready for use, at least 29 parts per million and not more 
than 58 parts per million decanoic acid; at least 88 parts per million 
and not more than 176 parts per million of octanoic acid; at least 69 
parts per million and not more than 138 parts per million of lactic 
acid; at least
 
[[Page 356]]
 
256 parts per million and not more than 512 parts per million of 
phosphoric acid; at least 86 parts per million and not more than 172 
parts per million of 1-octanesulfonic acid; at least 51 parts per 
million and not more than 102 parts per million of 1-octanesulfonic-2-
sulfinic acid or 1,2-octanedisulfonic acid; and at least 10 parts per 
million and not more than 20 parts per million of the condensate of four 
moles of poly(oxyethylene)poly(oxypropylene) block copolymers with one 
mole of ethylenediamine. The colorant adjuvant FD&C Yellow No. 5 shall 
not be used in excess of the minimum amount required to accomplish the 
intended technical effect.
    (32)(i) The solution identified in paragraph (b)(37) of this section 
without potassium bromide shall provide, when ready to use, at least 100 
parts per million and not more than 200 parts per million of available 
halogen determined as available chlorine; at least 2,958 parts per 
million and not more than 5,916 parts per million of trisodium 
phosphate; at least 1 part per million and not more than 3 parts per 
million of sodium lauryl sulfate; and at least 0.3 part per million and 
not more than 0.7 part per million on potassium permanganate.
    (ii) The solution identified in paragraph (b)(37) of this section 
with potassium bromide shall provide, when ready to use, at least 25 
parts per million and not more than 200 parts per million of available 
halogen determined as available chlorine; at least 15 parts per million 
and not more than 46 parts per million of potassium bromide; at least 
690 parts per million and not more than 2,072 parts per million of 
trisodium phosphate; at least 0.3 part per million and not more than 1 
part per million of sodium lauryl sulfate; and at least 0.1 part per 
million and not more than 0.3 part per million of potassium 
permanganate.
    (iii) Magnesium oxide when used in paragraph (c)(32) (i) or (ii) of 
this section shall not be used in excess of the minimum amount required 
to accomplish its intended technical effect.
    (33) Solutions identified in paragraph (b)(38) of this section shall 
provide when ready for use not less than 300 parts per million and not 
more than 465 parts per million of hydrogen peroxide; not less than 200 
parts per million and not more than 315 parts per million of 
peroxyacetic acid; not less than 200 parts per million and not more than 
340 parts per million of acetic acid; not less than 10 parts per million 
and not more than 20 parts per million of sulfuric acid; and not less 
than 0.75 parts per million and not more than 1.2 parts per million of 
2,6-pyridinedicarboxylic acid.
    (34) Solutions identified in paragraph (b)(39) of this section shall 
provide when ready for use not less than 460 parts per million and not 
more than 625 parts per million of phosphoric acid, and all components 
shall be present in the following proportions: 1 part phosphoric acid to 
0.25 octenyl succinic acid to 0.18 part N,N-dimethyloctanamine to 0.062 
part of a mixture of n-carboxylic acids (C6-C12, 
consisting of not less than 56 percent octanoic acid and not less than 
40 percent decanoic acid).
    (35) Solutions identified in paragraph (b)(40) of this section shall 
provide when ready for use not less than 12.5 parts per million and not 
more than 25.0 parts per million of titratable iodine; and not less than 
2.7 parts per million and not more than 5.5 parts per million of 
dodecylbenzene sulfonic acid. All components shall be present in the 
following proportions: 1.0 part dodecylbenzene sulfonic acid to 43 parts 
sodium N-cyclohexyl-N-palmitoyl taurate to 7.7 parts chloroacetic acid, 
sodium salt, reaction products with 4,5-dihydro-2-undecyl-1H-imidazole-
1-ethanol and sodium hydroxide to 114 parts phosphoric acid to 57 parts 
isopropyl alcohol to 3.0 parts calcium chloride.
    (36) Solutions identified in paragraph (b)(41) of this section shall 
provide, when ready for use, not less than 150 parts per million and not 
more than 200 parts per million of n-alkyl(C12-
C16)benzyldimethylammonium chloride; and not more than 0.4 
part per million of the colorant methylene blue. Components shall be 
present in the product used to prepare the solution in the following 
proportions: 1 part n-alkyl(C12-
C16)benzyldimethylammonium chloride to 0.24 part ammonium 
chloride to 0.08 part calcium stearate to 0.60 part sodium bicarbonate 
to 0.08 part starch or
 
[[Page 357]]
 
dextrin, or a combination of starch and dextrin.
    (37)(i) The solution identified in paragraph (b)(42) of this section 
not containing sulfuric acid shall provide when ready for use not less 
than 45 parts per million and not more than 90 parts per million of 
decanoic acid; and all components shall be present in the following 
proportions (weight/weight (w/w)): 1 part decanoic acid to 1 part 
nonanoic acid to 9.5 parts phosphoric acid to 3.3 parts propionic acid 
to 3.3 parts sodium 1-octanesulfonate.
    (ii) The solution identified in paragraph (b)(42) of this section 
containing sulfuric acid shall provide when ready for use not less than 
45 parts per million and not more than 90 parts per million of decanoic 
acid; and all components shall be present in the following proportions 
(w/w): 1 part decanoic acid to 1 part nonanoic acid to 2.8 parts 
phosphoric acid to 3.3 parts propionic acid to 3.3 parts sodium 1-
octanesulfonate to 3.2 parts sulfuric acid.
    (38) The solution identified in paragraph (b)(44) of this section 
shall provide, when ready for use, at least 16,450 parts per million and 
not more than 32,900 parts per million of citric acid; at least 700 
parts per million and not more than 1,400 parts per million of disodium 
ethylenediaminetetraacetate; at least 175 parts per million and not more 
than 350 parts per million of sodium lauryl sulfate; and at least 175 
parts per million and not more than 350 parts per million of monosodium 
phosphate.
    (39)(i) The solution identified in paragraph (b)(45) of this 
section, when used on food processing equipment and utensils, including 
dairy and beverage-processing equipment but excluding food-contact 
surfaces in public eating places and dairy and beverage containers, 
shall provide when ready for use at least 72 parts per million and not 
more than 216 parts per million of hydrogen peroxide; at least 46 parts 
per million and not more than 138 parts per million of peroxyacetic 
acid; at least 40 parts per million and not more than 122 parts per 
million of octanoic acid (including peroxyoctanoic acid); at least 281 
parts per million and not more than 686 parts per million of acetic 
acid; at least 7 parts per million and not more than 34 parts per 
million of 1-hydroxyethylidene-1,1-diphosphonic acid; and at least 36 
parts per million and not more than 109 parts per million of sodium 1-
octanesulfonate.
    (ii) The solution identified in paragraph (b)(45) of this section, 
when used on food-contact equipment and utensils in warewashing 
machines, including warewashing machines in public eating places, at 
temperatures no less than 120  deg.F (49  deg.C) shall provide when 
ready for use at least 30 parts per million and not more than 91 parts 
per million of hydrogen peroxide; at least 19 parts per million and not 
more than 58 parts per million of peroxyacetic acid; at least 17 parts 
per million and not more than 52 parts per million of octanoic acid 
(including peroxyoctanoic acid); at least 119 parts per million and not 
more than 290 parts per million of acetic acid; at least 3 parts per 
million and not more than 14 parts per million of 1-hydroxyethylidene-
1,1-diphosphonic acid; and at least 15 parts per million and not more 
than 46 parts per million of sodium 1-octanesulfonate.
    (iii) The solution identified in paragraph (b)(45) of this section, 
when used on dairy or beverage containers, shall provide when ready for 
use at least 36 parts per million and not more than 108 parts per 
million of hydrogen peroxide; at least 23 parts per million and not more 
than 69 parts per million of peroxyacetic acid; at least 20 parts per 
million and not more than 61 parts per million of octanoic acid 
(including peroxyoctanoic acid); at least 140 parts per million and not 
more than 343 parts per million of acetic acid; at least 3 parts per 
million and not more than 17 parts per million of 1-hydroxyethylidene-
1,1-diphosphonic acid; and at least 18 parts per million and not more 
than 55 parts per million of sodium 1-octanesulfonate.
    (40) The solution identified in paragraph (b)(46) of this section 
shall provide, when ready for use, at least 100 parts per million and 
not more than 200 parts per million of chlorine dioxide as determined by 
the method developed by Bio-cide International, Inc., entitled, 
"Iodometric Method for the Determination of Available Chlorine Dioxide 
(50-250 ppm Available ClO2),"
 
[[Page 358]]
 
dated June 11, 1987, which is incorporated by reference in accordance 
with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of this method are 
available from the Division of Petition Control, Center for Food Safety 
and Applied Nutrition (HFS-215), Food and Drug Administration, 5100 
Paint Branch Pkwy., College Park, MD 20740, and may be examined at the 
Center for Food Safety and Applied Nutrition's Library, Food and Drug 
Administration, 5100 Paint Branch Pkwy., College Park, MD 20740, or at 
the Office of the Federal Register, 800 North Capitol St. NW., suite 
700, Washington, DC; at least 380 parts per million and not more than 
760 parts per million of sodium gluconate; and at least 960 parts per 
million and not more than 1,920 parts per million of sodium mono- and 
didodecylphenoxybenzenedisulfonate. Other components listed under 
paragraph (b)(46) of this section shall be used in the minimum amount 
necessary to produce the intended effect.
    (d) Sanitizing agents for use in accordance with this section will 
bear labeling meeting the requirements of the Federal Insecticide, 
Fungicide, and Rodenticide Act.
 
[42 FR 14609, Mar. 16, 1977]
 
    Editorial Note: For Federal Register citations affecting 
Sec. 178.1010, see the List of CFR Sections Affected, which appears in 
the Finding Aids section of the printed volume and on GPO Access.
 
 
 
 
 
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR178.2010]
 
[Page 358-384]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 178--INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS--Table of Contents
 
                 Subpart C--Antioxidants and Stabilizers
 
Sec. 178.2010  Antioxidants and/or stabilizers for polymers.
 
 
    The substances listed in paragraph (b) of this section may be safely 
used as antioxidants and/or stabilizers in polymers used in the 
manufacture of articles or components of articles intended for use in 
producing, manufacturing, packing, processing, preparing, treating, 
packaging, transporting, or holding food, subject to the provisions of 
this section:
    (a) The quantity used shall not exceed the amount reasonably 
required to accomplish the intended technical effect.
    (b) List of substances:
 
------------------------------------------------------------------------
           Substances                           Limitations
------------------------------------------------------------------------
N-n-Alkyl-N'-(carboxymethyl)-     For use only:
 N,N'-trimethylenediglycine; the  1. As component of nonfood articles
 alkyl group is even numbered in   complying with Secs.  175.105 and
 the range C14-C18 and the         177.2600 of this chapter.
 nitrogen content is in the       2. At levels not to exceed 1.35
 range 5.4-5.6 weight percent.     percent by weight of natural rubber,
                                   butadiene-acrylonitrile, butadiene-
                                   acrylonitrile-styrene, and butadiene-
                                   styrene polymers that are used in
                                   contact with nonalcoholic food at
                                   temperatures not to exceed room
                                   temperature and that are employed in
                                   closure-sealing gaskets complying
                                   with Sec.  177.1210 of this chapter
                                   or in coatings complying with Sec.
                                   175.300, Sec.  176.170, or Sec.
                                   175.320 of this chapter. The average
                                   thickness of such coatings and
                                   closure-sealing gaskets shall not
                                   exceed 0.004 inch.
Alkylthiophenolics:.............  For use only:
1. Acid-catalyzed condensation    1. At levels not to exceed 2 percent
 reaction products of 4-           by weight of adhesives complying with
 nonylphenol, formaldehyde, and    Sec.  175.105 of this chapter, of
 1-dodecanethiol (CAS Reg. No.     pressure-sensitive adhesives
 164907-73-7)..                    complying with Sec.  175.125 of this
                                   chapter, and of rubber articles
                                   complying with Sec.  177.2600 of this
                                   chapter.
2. Acid-catalyzed condensation    2. Do.
 reaction products of branched 4-
 nonylphenol, formaldehyde, and
 1-dodecanethiol (CAS Reg. No.
 203742-97-6)..
p-tert-Amylphenolformaldehyde     For use only at levels not to exceed
 resins produced when one mole     2.1 percent by weight of polyamide
 of p-tert-amylphenol is made to   resins that are:
 react under acid conditions      1. Derived from dimerized vegetable
 with one mole of formaldehyde.    oil acids (containing not more than
                                   20 percent of monomer acids) and
                                   ethylenediamine.
                                  2. Used in compliance with regulations
                                   in parts 174, 175, 176, 177, 178 and
                                   Sec.  179.45 of this chapter.
1,4-Benzenedicarboxylic acid,     For use only at levels not to exceed
 bis[2-(1,1-dimethylethyl)-6-[[3-  0.075 percent by weight of olefin
 (1,1-dimethylethyl)-2-hydroxy-5-  polymers complying with Sec.
 methylphenyl]methyl]-4-methyl-    177.1520 of this chapter.
 phenyl]ester (CAS Reg. No.
 57569-40-1).
2-(2H-Benzotriazol-2-yl)-4,6-     For use only:
 bis(1-methyl-1-                  1. At levels not to exceed 0.5 percent
 phenylethyl)phenol (CAS Reg.      by weight of polyethylene phthalate
 No. 70321-86-7).                  polymers complying with Sec.
                                   177.1630 of this chapter.
                                  2. At levels not to exceed 3.0 percent
                                   by weight of polycarbonate resins
                                   complying with Sec.  177.1580 of this
                                   chapter.
 
[[Page 359]]
 
 
2-(2H-Benzotriazol-2-yl)-4-(1,    For use only at levels not to exceed
 1, 3, 3-tetramethylbutyl)         0.5 percent by weight of
 phenol (CAS Reg. No. 3147-75-9).  polycarbonate resins complying with
                                   Sec.  177.1580 of this chapter:
                                   Provided, That the finished resins
                                   contact food only under conditions of
                                   use E, F, and G described in table 2
                                   of Sec.  176.170(c) of this chapter.
2-[4,6-Bis(2,4-dimethylphenyl)-   For use only:
 1,3,5-triazin-2-yl]-5-            1. At levels not to exceed 0.3
 (octyloxy)phenol (CAS Reg. No.    percent by weight of olefin polymers
 2725-22-6)..                      complying with Sec.  177.1520(c) of
                                   this chapter in contact with food
                                   types I, II, IV-B, VI, VII-B, and
                                   VIII described in Sec.  176.170(c) of
                                   this chapter, table 1, under
                                   conditions of use D through G as
                                   described in Sec.  176.170(c), table
                                   2, of this chapter.
                                   2. At levels not to exceed 0.1
                                   percent by weight of polypropylene
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 1.1a, 1.2, and
                                   1.3 in contact with food under
                                   conditions of use A through H as
                                   described in Sec.  176.170(c), table
                                   2, of this chapter.
                                   3. At levels not to exceed 0.04
                                   percent by weight of polyethylene and
                                   olefin copolymers complying with Sec.
                                    177.1520(c) of this chapter, items
                                   2.1, 2.2, 2.3, 3.1a, 3.1b, 3.1c,
                                   3.2a, and 3.2b having a minimum
                                   density of 0.94 gram per cubic
                                   centimeter, in contact with food
                                   under conditions of use A through H
                                   as described in Sec.  176.170, table
                                   2, of this chapter provided that the
                                   finished articles used in contact
                                   with fatty food types III, IV-A, V,
                                   VII-A, and IX as described in table 1
                                   of Sec.  176.170(c) of this chapter
                                   hold a minimum of 2 gallons (7.6
                                   liters) of food.
                                   4. At levels not to exceed 0.4
                                   percent by weight of ethylene
                                   copolymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   3.1a, 3.1b, 3.1c, 3.2a, and 3.2b,
                                   having a density of less than 0.94
                                   gram per cubic centimeter, in contact
                                   with food under conditions of use B
                                   through H, as described in Sec.
                                   176.170(c), table 2, of this chapter
                                   provided that the finished articles
                                   used in contact with fatty food types
                                   III, IV-A, V, VII-A, and IX hold a
                                   minimum of 5 gallons (18.9 liters) of
                                   food.
                                   5. At levels not to exceed 0.04
                                   percent by weight of polyethylene
                                   having a density of less than 0.94
                                   gram per cubic centimeter, and olefin
                                   polymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   2.1, 2.2, 2.3, 3.3a, 3.3b, 3.4, 3.5,
                                   3.6, 4, 5, and 6, in contact with
                                   food under conditions of use D
                                   through G as described in Sec.
                                   176.170(c) of this chapter, table 2,
                                   provided that the finished articles
                                   used in contact with fatty food types
                                   III, IV-A, V, VII-A, and IX hold a
                                   minimum of 5 gallons (18.9 liters) of
                                   food.
[beta], 3(or 4)-                  For use only:
 Bis(octadecylthio)cyclohexyleth  1. At levels not to exceed 0.3 percent
 ane (CAS Reg. No. 37625-75-5);    by weight of all polymers for use in
 CAS synonym: 1-[(beta-            contact with foods of Types I, II, IV-
 (octadecylthio)ethyl]-3(or 4)-    B, VI, VII-B, and VIII under
 (octadecylthio)cyclohexane.       conditions of use B through H as
                                   described in tables 1 and 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.3 percent
                                   by weight of polyolefins complying
                                   with Sec.  177.1520 of this chapter,
                                   for use in contact with food of types
                                   III, IV-A, V, VII-A, and IX under
                                   conditions of use C through G as
                                   described in tables 1 and 2 of Sec.
                                   176.170(c) of this chapter.
Bis(2,2,6,6-tetramethyl-4-        For use only:
 piperidinyl) sebacate (CAS Reg.  1. In adhesives complying with Sec.
 No. 52829-07-9).                  175.105 of this chapter.
                                  2. At levels not to exceed 0.1 percent
                                   by weight of pressure-sensitive
                                   adhesives complying with Sec.
                                   175.125 of this chapter.
 
[[Page 360]]
 
 
Bis(2,4-di-tert-butyl-6-          For use only:
 methylphenyl) ethyl phosphite    1. At levels not to exceed 0.3 percent
 (CAS Reg. No. 145650-60-8).       by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter. The finished polymers
                                   may only be used with food of the
                                   types identified in Sec.  176.170(c)
                                   of this chapter, table 1, under
                                   Categories I, II, IV-B, VI-A, VI-B,
                                   VII-B, and VIII, and under conditions
                                   of use B through H described in table
                                   2 of Sec.  176.170(c) of this
                                   chapter.
                                  2. At levels not to exceed 0.1 percent
                                   by weight of propylene polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 1.1, 1.2, 1.3,
                                   3.2b, 3.4, or 3.5, or 3.1a (where the
                                   density of this polymer is at least
                                   0.85 gram per cubic centimeter and
                                   less than 0.91 gram per cubic
                                   centimeter). The finished polymers
                                   may only be used in contact with food
                                   of the types identified in Sec.
                                   176.170(c) of this chapter, table 1,
                                   under Categories III, IV-A, V, VI-C,
                                   VII-A, and IX, and under conditions
                                   of use B through H described in table
                                   2 of Sec.  176.170(c) of this
                                   chapter.
                                  3. At levels not to exceed 0.1 percent
                                   by weight of high-density ethylene
                                   polymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, or
                                   3.6 (where the density of each of
                                   these polymers is at least 0.94 gram
                                   per cubic centimeter), or 5. The
                                   finished polymers may only be used in
                                   contact with food of the types
                                   identified in Sec.  176.170(c) of
                                   this chapter, table 1, under
                                   Categories III, IV-A, V, VI-C, VII-A,
                                   and IX, and under conditions of use C
                                   (maximum temperature 70  deg.C)
                                   through G described in table 2 of
                                   Sec.  176.170(c) of this chapter.
                                   Provided, that the finished food
                                   contact articles have a volume of at
                                   least 18.9 liters (5 gallons).
                                  4. At levels not to exceed 0.01
                                   percent by weight of low-density
                                   ethylene polymers complying with Sec.
                                    177.1520(c) of this chapter, items
                                   2.1, 2.2, 2.3, 3.1a, 3.1b, 3.2a, 3.4,
                                   3.5, or 3.6 (where the density of
                                   each of these polymers is less than
                                   0.94 gram per cubic centimeter). The
                                   finished polymers may only be used in
                                   contact with food of the types
                                   identified in Sec.  176.170(c) of
                                   this chapter, table 1, under
                                   Categories III, IV-A, V, VI-C, VII-A,
                                   and IX, and under conditions of use B
                                   through H described in table 2 of
                                   Sec.  176.170(c) of this chapter.
                                   Provided, that the average thickness
                                   of such polymers in the form in which
                                   they contact food shall not exceed
                                   0.001 inch.
1,2-Bis(3,5-di-tert-butyl-4-      For use only:
 hydroxyhydrocinnamoyl)-          1. As provided in Sec.  175.105 of
 hydrazine (CAS Reg. No. 32687-    this chapter.
 78-8).                           2. At levels not exceeding 0.1 percent
                                   by weight of acrylonitrile-butadiene-
                                   styrene copolymers used in accordance
                                   with parts 175, 176, 177, and 181 of
                                   this chapter.
                                  3. At levels not exceeding 0.1 percent
                                   by weight of polyoxymethylene
                                   copolymers complying with Sec.
                                   177.2470 of this chapter and of
                                   polyoxymethylene homopolymers
                                   complying with Sec.  177.2480 of this
                                   chapter.
2,6-Bis(1-methylheptadecyl)-p-    For use only at levels not exceeding
 cresol.                           0.3 percent by weight of olefin
                                   polymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
                                   3.2, 3.3, or 4. The average thickness
                                   of such polymers in the form in which
                                   they contact fatty food or food
                                   containing more than 8 percent of
                                   alcohol shall not exceed 0.004 inch.
3,9-Bis[2,4-bis(1-methyl-1-       For use only:
 phenylethyl)phenoxy]-2,4,8,10-   1. At levels not to exceed 0.15
 tetraoxa-3,9-                     percent by weight of all polymers,
 diphosphaspiro[5.5]undecane       except as specified below.
 (CAS Reg. No. 154862-43-8),      2. At levels not to exceed 0.2 percent
 which may contain not more than   by weight of polycarbonate resins
 2 percent by weight of            complying with Sec.  177.1580 of this
 triisopropanolamine (CAS Reg.     chapter.
 No. 122-20-3).                   3. At levels not to exceed 0.3 percent
                                   by weight of polyetherimide resins
                                   complying with Sec.  177.1595 of this
                                   chapter.
 
[[Page 361]]
 
 
5,7-Bis(1,1-dimethylethyl)-3-     For use only:
 hydroxy-2(3H)-benzofuranone,     1. At levels not to exceed 0.1 percent
 reaction products with o-xylene   by weight of olefin polymers
 (CAS Reg. No. 181314-48-7).       complying with Sec.  177.1520(c) of
                                   this chapter. The finished polymers
                                   may only be used in contact with food
                                   of the types identified in Sec.
                                   176.170(c) of this chapter, Table 1,
                                   under Categories I, II, IV-B, VI-A,
                                   VI-B, VII-B, and VIII, and under
                                   conditions of use B through H
                                   described in Table 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.02
                                   percent by weight of:
                                  (a) Propylene polymers and copolymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 1.1, 1.2, 3.1a,
                                   3.2a, 3.2b, 3.4, or 3.5. The finished
                                   polymer may only be used in contact
                                   with food of types identified in Sec.
                                    176.170(c) of this chapter, Table 1,
                                   under Categories III, IV-A, V, VI-C,
                                   VII-A, and IX, and under conditions
                                   of use B through H described in Table
                                   2 of Sec.  176.170(c) of this
                                   chapter; or
                                  (b) Ethylene polymers and copolymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 2.3,
                                   3.1a, 3.1b, 3.2a, or 3.6 (where the
                                   density of each of these polymers is
                                   at least 0.94 gram per cubic
                                   centimeter), or 5. The finished
                                   polymers may only be used in contact
                                   with food of the types identified in
                                   Sec.  176.170(c) of this chapter,
                                   Table 1, under Categories III, IV-A,
                                   V, VI-C, VII-A, and IX, and under
                                   conditions of use B through H
                                   described in Table 2 of Sec.
                                   176.170(c) of this chapter; provided
                                   that the finished food-contact
                                   articles have a volume of at least
                                   18.9 liters (5 gallons).
                                  3. At levels not to exceed 0.02
                                   percent by weight of ethylene
                                   polymers and copolymers complying
                                   with Sec.  177.1520(c) of this
                                   chapter, items 2.1, 2.2, 2.3, 3.1a,
                                   3.1b, 3.2a, 3.4, 3.5, or 3.6 (where
                                   the density of each of these polymers
                                   is less than 0.94 gram per cubic
                                   centimeter). The finished polymers
                                   may only be used in contact with food
                                   of the types identified in Sec.
                                   176.170(c) of this chapter, Table 1,
                                   under Categories III, IV-A, V, VI-C,
                                   VII-A, and IX, and under conditions
                                   of use B through H described in Table
                                   2 of Sec.  176.170(c) of this
                                   chapter; provided that the average
                                   thickness of such polymers in the
                                   form in which they contact food shall
                                   not exceed 50 micrometers (0.002
                                   inch).
3,9-Bis[2-{3-(3-tert-butyl-4-     For use only:
 hydroxy-5-                       1. At levels not to exceed 0.2 percent
 methylphenyl)propionyloxy{time}   by weight of polypropylene complying
  -1,1-dimethylethyl]-2,4,8,10-    with Sec.  177.1520(c), item 1.1 of
 tetraoxaspiro[5.5]undecane (CAS   this chapter. The finished polymer is
 Reg. No. 90498-90-1).             to be used in contact with food only
                                   under conditions of use D through H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.3 percent
                                   by weight of polyethylene complying
                                   with Sec.  177.1520(c) of this
                                   chapter, item 2.1, provided that the
                                   polymer has a minimum density of 0.94
                                   grams per cubic centimeter and is
                                   used in contact with food only under
                                   conditions of use D through G
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  3. At levels not to exceed 0.3 percent
                                   by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 1.1, 3.1, and
                                   3.2, where the copolymers complying
                                   with items 3.1 and 3.2 contain not
                                   less than 85 weight percent of
                                   polymer units derived from propylene.
                                   The finished polymer is to be used in
                                   contact with food of types I, II, IV-
                                   B, VI-A, VI-B, VI-C, VII-B, and VIII
                                   under conditions of use A through H
                                   described in tables 1 and 2 of Sec.
                                   176.170(c) of this chapter.
 
[[Page 362]]
 
 
4-[[4,6-Bis(octylthio)-s-triazin- For use only:
 2-yl]amino]-2,6-di-tert-         1. At levels not to exceed 0.5 percent
 butylphenol (CAS Reg. No. 991-    by weight: in styrene block
 84-4).                            copolymers complying with Sec.
                                   177.1810 of this chapter; in rosins
                                   and rosin derivatives complying with
                                   Sec.  175.300(b)(3)(v) of this
                                   chapter; in can end cement
                                   formulations complying with Sec.
                                   175.300(b)(3)(xxxi) of this chapter;
                                   in side seam cement formulations
                                   complying with Sec.
                                   175.300(b)(3)(xxxii) of this chapter;
                                   in petroleum alicyclic hydrocarbon
                                   resins and terpene resins complying
                                   with Sec.  175.320(b)(3) of this
                                   chapter; in rosin and rosin
                                   derivatives complying with Sec.
                                   176.170(a)(5) of this chapter; in
                                   petroleum alicyclic hydrocarbon
                                   resins or their hydrogenated products
                                   complying with Sec.  176.170(b)(2) of
                                   this chapter; in terpene resins
                                   complying with Sec.
                                   175.300(b)(2)(xi) of this chapter,
                                   when such terpene resins are used in
                                   accordance with Sec.  176.170(b)(1)
                                   of this chapter; in resins and
                                   polymers complying with Sec.
                                   176.180(b) of this chapter; in
                                   closures with sealing gaskets
                                   complying with Sec.  177.1210 of this
                                   chapter; in petroleum hydrocarbon
                                   resin and rosins and rosin
                                   derivatives complying with Sec.
                                   178.3800(b) of this chapter; and in
                                   reinforced wax complying with Sec.
                                   178.3850 of this chapter.
                                  2. At levels not to exceed 0.2 percent
                                   by weight of the finished cellophane
                                   complying with Sec.  177.1200 of this
                                   chapter.
                                  3. At levels not to exceed 0.1 percent
                                   by weight in polystyrene and rubber-
                                   modified polystyrene complying with
                                   Sec.  177.1640 of this chapter:
                                   Provided, That the finished
                                   polystyrene and rubber-modified
                                   polystyrene polymer contact food only
                                   under conditions of use B through G
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  4. In adhesives complying with Sec.
                                   175.105 of this chapter; in pressure-
                                   sensitive adhesives complying with
                                   Sec.  175.125 of this chapter; and as
                                   provided in Sec.  177.2600 of this
                                   chapter.
4,4'-Bis([alpha],[alpha]-         For use at levels not to exceed 0.3
 dimethylbenzyl)diphenylamine      percent by weight of polypropylene
 (CAS Reg. No. 10081-67-1).        complying with Sec.  177.1520(c) of
                                   this chapter. The polypropylene
                                   articles are limited to use in
                                   contact with non-fatty foods only.
Boric acid (CAS Reg. No. 10043-   For use only at levels not to exceed
 35-3).                            0.16 percent by weight of ethylene-
                                   vinyl acetate-vinyl alcohol
                                   copolymers complying with Sec.
                                   177.1360(a)(3) and (d) of this
                                   chapter.
1,3-Butanediol..................
Butylated reaction product of p-  For use only:
 cresol and dicyclopentadiene     1. As components of nonfood articles
 produced by reacting p-cresol     complying with Secs.  175.105 and
 and dicyclopentadiene in an       177.2600(c)(4)(iii) of this chapter.
 approximate mole ratio of 1.5    2. At levels not to exceed 1.0 percent
 to 1, respectively, followed by   by weight of acrylonitrile/butadiene/
 alkylation with isobutylene so    styrene copolymers. The finished
 that the butyl content of the     copolymers may be used in contact
 final product is not less than    with food of Types I, II, IV-B, VI-A,
 18 percent.                       VI-B, VII-B, and VIII under
                                   conditions of use B through H, as
                                   described in tables 1 and 2 of Sec.
                                   176.170(c) of this chapter, and with
                                   food of Types III, IV-A, V, VI-C, VII-
                                   A, and IX under conditions of use C
                                   through G as described in tables 1
                                   and 2 of Sec.  176. 170(c) of this
                                   chapter.
Butylated, styrenated cresols     For use only:
 produced when equal moles of     1. As provided in Secs.  175.105 and
 isobutylene, styrene, and a       177.2600 of this chapter.
 metacresol-paracresol mixture    2. At levels not to exceed 0.5 percent
 having a no more than 3  deg.C    by weight of polystyrene, rubber-
 distillation range including      modified polystyrene, or olefin
 202  deg.C are made to react so   polymers complying with Sec.
 that the final product meets      177.1520 (c) of this chapter, items
 the following specifications:     1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
 Not less than 95 percent by       3.2, 3.3, or 4, or complying with
 weight of total alkylated         other sections in parts 174, 175,
 phenols consisting of 13-25       176, 177, 178 and Sec.  179.45 of
 percent by weight of butylated    this chapter, used in articles that
 m- and p-cresols, 26-38 percent   contact food only unded the
 by weight of styrenated m- and    conditions described in Sec.
 p-cresols, 37-49 percent by       176.170(c) of this chapter, table 2,
 weight of butylated styrenated    under conditions of use C through G.
 m- and p-cresols, and not more
 than 10 percent by weight total
 of alkylated xylenols,
 alkylated o-cresol, alkylated
 phenol, and alkylated
 ethylphenol; acidity not more
 than 0.003 percent; and
 refractive index at 25  deg.C
 of 1.5550-1.5650, as determined
 by ASTM method D1218-82,
 "Standard Test Method for
 Refractive Index and Refractive
 Dispersion of Hydrocarbon
 Liquids," which is
 incorporated by reference.
 Copies may be obtained from the
 American Society for Testing
 Materials, 1916 Race St.,
 Philadelphia, PA 19103, or may
 be examined at the Office of
 the Federal Register, 800 North
 Capitol Street, NW., suite 700,
 Washington, DC 20408.
 
[[Page 363]]
 
 
2-tert-Butyl-a(3-tert-butyl-4-    For use only:
 hydroxyphenyl)-p-cumenyl bis(p-  1. As components of nonfood articles
 nonylphenyl) phosphite; the       complying with Secs.  175.105 and
 nonyl group is a propylene        177.2600 of this chapter.
 trimer isomer and the            2. At levels not to exceed 1.35
 phosphorus content is in the      percent by weight of natural rubber,
 range 3.8-4.0 weight percent.     butadiene-acrylonitrile, butadiene-
                                   acrylonitrile-styrene, and butadiene-
                                   styrene polymers that are used in
                                   contact with nonalcoholic food at
                                   temperatures not to exceed room
                                   temperature and that are employed in
                                   closure-sealing gaskets complying
                                   with Sec.  177.1210 of this chapter
                                   or in coatings complying with Sec.
                                   175.300, Sec.  175.320, or Sec.
                                   176.170 of this chapter. The average
                                   thickness of such coatings and
                                   closure-sealing gaskets shall not
                                   exceed 0.004 inch.
2-(3'-tert-Butyl-2'-hydroxy-5'-   For use only at levels not to exceed
 methyl-phenyl)-5-                 0.5 percent by weight of olefin
 chlorobenzotriazole with a        polymers complying with Sec.
 melting point of 137-141  deg.C.  177.1520(c) of this chapter, provided
                                   that the finished polymer contacts
                                   foods only of the types identified in
                                   Categories I, II, IV-B, VI-A and B,
                                   VII-B, and VIII in table 1, Sec.
                                   176.170 of this chapter.
4,4'-Butylidenebis(6-tert-butyl-  For use only.
 m-cresol).                       1. As provided in Secs.  175.105 and
                                   177.2600 of this chapter.
                                  2. At levels not to exceed 0.5 percent
                                   by weight of polypropylene complying
                                   with Sec.  177.1520 of this chapter
                                   and for use at levels not to exceed
                                   0.3 percent by weight of polyethylene
                                   complying with Sec.  177.1520 of this
                                   chapter, provided that the finished
                                   polypropylene and polyethylene
                                   contact food only of the types
                                   identified in Sec.  176.170(c) of
                                   this chapter, table 1, under
                                   Categories I, II, VI-B, and VIII.
Butyric acid, 3,3-bis(3-tert-     For use only:
 butyl-4-hydroxyphenyl)ethylene   1. At levels not to exceed 0.5 percent
 ester (CAS Reg. No. 32509-66-3).  by weight of olefin copolymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 3.1 and 3.2
                                   except that when used in contact with
                                   foods described as types III, IV-A,
                                   V, VII-A, and IX in table 1 of Sec.
                                   176.170(c) of this chapter, the
                                   olefin copolymers may only be used
                                   under conditions of use E, F, and G
                                   set forth in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.5 percent
                                   by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, item 1.1, 3.1, or 3.2
                                   (where the copolymers complying with
                                   items 3.1 and 3.2 contain not less
                                   than 85 weight-percent of polymer
                                   units derived from propylene).
                                  3. At levels not to exceed 0.2 percent
                                   by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 3.1,
                                   and 3.2.
Calcium benzoate................
 
[[Page 364]]
 
 
Calcium bis[monoethyl(3,5-di-     For use only:
 tert-butyl-4-hydroxy-            1. At levels not to exceed 0.25
 benzyl)phosphonate] (CAS Reg.     percent by weight of polypropylene
 No. 65140-91-2).                  that complies with Sec.  177.1520(c)
                                   of this chapter, items 1.1, 1.2, and
                                   1.3.
                                  2. At levels not to exceed 0.2 percent
                                   by weight of polyethylene and olefin
                                   copolymers that comply with Sec.
                                   177.1520(c) of this chapter, items
                                   2.1, 2.2, 2.3, 3.1, 3.2, 3.3, 3.4,
                                   3.5, and 3.6. Finished polymers
                                   having a density less than 0.94 gram
                                   per cubic centimeter shall be used in
                                   contact with food only under
                                   conditions of use B through H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  3. In adhesives complying with Sec.
                                   175.105 of this chapter.
                                  4. At levels not to exceed 0.5 percent
                                   by weight of pressure-sensitive
                                   adhesives complying with Sec.
                                   175.125 of this chapter.
                                  5. At levels not to exceed 0.5 percent
                                   by weight of rosins and rosin
                                   derivatives complying with Sec.
                                   175.300(b)(3)(v) of this chapter.
                                  6. At levels not to exceed 0.5 percent
                                   by weight of can end cement
                                   formulations complying with Sec.
                                   175.300(b)(3)(xxxi) of this chapter.
                                  7. At levels not to exceed 0.5 percent
                                   by weight of side seam cement
                                   formulations complying with Sec.
                                   175.300(b)(3)(xxxii) of this chapter.
                                  8. At levels not to exceed 0.5 percent
                                   by weight of petroleum alicyclic
                                   hydrocarbon resins complying with
                                   Sec.  175.320(b)(3) of this chapter.
                                  9. At levels not to exceed 0.5 percent
                                   by weight of rosin and rosin
                                   derivatives complying with Sec.
                                   176.170(a)(5) of this chapter; and
                                   petroleum alicyclic hydrocarbon
                                   resins, or the hydrogenated product
                                   thereof, complying with Sec.
                                   176.170(b)(2) of this chapter.
                                  10. At levels not to exceed 0.5
                                   percent by weight of resins and
                                   polymers used as components of paper
                                   and paperboard in contact with dry
                                   food in compliance with Sec.  176.180
                                   of this chapter.
                                  11. At levels not to exceed 0.5
                                   percent by weight of closures with
                                   sealing gaskets complying with Sec.
                                   177.1210 of this chapter.
                                  12. At levels not to exceed 0.5
                                   percent by weight of the finished
                                   rubber article complying with Sec.
                                   177.2600 of this chapter.
                                  13. At levels not to exceed 0.5
                                   percent by weight of petroleum
                                   hydrocarbon resin and rosins and
                                   rosin derivatives complying with Sec.
                                    178.3800(b).
                                  14. At levels not to exceed 0.5
                                   percent by weight of reinforced wax
                                   complying with Sec.  178.3850.
                                  15. At levels not to exceed 0.3
                                   percent by weight of polyethylene
                                   phthalate polymers, complying with
                                   Sec.  177.1630 of this chapter.
                                   Provided, that the finished polymers
                                   contact food only under conditions of
                                   use B through H described in Table 2
                                   of Sec.  176.170(c) of this chapter.
Calcium myristate...............
Calcium ricinoleate.............  For use only at levels not to exceed 1
                                   percent by weight of polyoxymethylene
                                   copolymer as provided in Sec.
                                   177.2470(b)(1) of this chapter.
Calcium stearate................
Carbethoxymethyl diethyl          At levels not to exceed 0.07 percent
 phosphonate (CAS Reg. No. 867-    by weight of polyethylene phthalate
 13-0).                            polymers complying with Sec.
                                   177.1630 of this chapter.
Cerium stereate (CAS Reg. No.     For use only at levels not to exceed
 10119-53-6).                      0.5 percent by weight in rigid and
                                   semirigid vinyl chloride homo- and
                                   copolymer articles modified in
                                   accordance with Sec.  178.3790(b)(1)
                                   of this chapter that contact food
                                   under conditions of use B through H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
Cupric acetate and lithium        For use at levels not exceeding 0.025
 iodide.                           percent cupric acetate and 0.065
                                   percent lithium iodide by weight of
                                   nylon 66 resins complying with Sec.
                                   177.1500 of this chapter; the
                                   finished resins are used or are
                                   intended to be used to contain foods
                                   during oven baking or oven cooking at
                                   temperatures above 250  deg.F. The
                                   average thickness of such resins in
                                   the form in which they contact food
                                   shall not exceed 0.0012 inch.
Cuprous iodide..................  For use at levels not exceeding 0.01
                                   percent cuprous iodide by weight of
                                   nylon 66T resins complying with Sec.
                                   177.1500 of this chapter; the
                                   finished resins are used or are
                                   intended to be used to contain foods
                                   during oven baking or oven cooking at
                                   temperatures above 250  deg.F. The
                                   average thickness of such resins in
                                   the form in which they contact food
                                   shall not exceed 0.001 inch.
Cuprous iodide and cuprous        For use at levels not exceeding 0.0025
 bromide.                          percent cuprous iodide and 0.0175
                                   percent cuprous bromide by weight of
                                   nylon 66 resins complying with Sec.
                                   177.1500 of this chapter; the
                                   finished resins are used or are
                                   intended to be used to contain foods
                                   during oven baking or oven cooking at
                                   temperatures above 250  deg.F. The
                                   average thickness of such resins in
                                   the form in which they contact food
                                   shall not exceed 0.0015 inch.
Cyanoguanidine..................  For use only at levels not to exceed 1
                                   percent by weight of polyoxymethylene
                                   copolymer as provided in Sec.
                                   177.2470(b)(1) of this chapter.
 
[[Page 365]]
 
 
Cyclic neopentanetetrayl          For use only at levels not to exceed
 bis(octadecyl phosphite) (CAS     0.1 percent by weight of ethylene-
 Reg. No. 3806-34-6); the          vinyl acetate copolymers complying
 phosphorus content is in the      with Sec.  177.1350 of this chapter
 range of 7.8 to 8.2 weight        that contact food under conditions of
 percent.                          use E, F, and G described in table 2
                                   of Sec.  176.170(c) of this chapter.
Cyclic neopentanetetrayl          For use only:
 bis(octadecyl phosphite) (CAS    1. At levels not to exceed 0.25
 Reg. No. 3806-34-6) (which may    percent by weight of olefin polymers
 contain not more than 1 percent   complying with Sec.  177.1520(c) of
 by weight of                      this chapter, items 1.1, 2.1, and
 triisopropanolamine (CAS Reg.     3.1.
 No. 122-20-3)); the phosphorus   2. At levels not to exceed 0.25
 content is in the range of 7.8    percent by weight of olefin polymers
 to 8.2 weight percent.            complying with Sec.  177.1520(c) of
                                   this chapter, item 2.2, that contact
                                   food Types I, II, VI-A, VII-B, and
                                   VIII described in table 1 of Sec.
                                   176.170(c) of this chapter under
                                   conditions of use B (for boil-in-bag
                                   applications), C, D, E, F, G, and H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  3. At levels not to exceed 0.15
                                   percent by weight of olefin polymers
                                   complying with Sec.  177.1520, items
                                   1.1 and 3.2, that contact food Types
                                   I, II, VI-A, VII-B, and VIII
                                   described in table 1 of Sec.
                                   176.170(c) of this chapter under
                                   conditions of use B (for boil-in-bag
                                   applications), C, D, E, F, G, and H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  4. At levels not to exceed 0.20
                                   percent by weight of polystyrene and/
                                   or rubber modified polystyrene
                                   complying with Sec.  177.1640 of this
                                   chapter that contact food under
                                   conditions of use E, F, and G
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
4,4'-Cyclohexylidenebis(2-        For use only at levels not to exceed
 cyclohexylphenol).                0.1 percent by weight of olefin
                                   polymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 3.1,
                                   3.2, 3.3, or 4: Provided, That the
                                   finished polymers contact food only
                                   of the types identified in Sec.
                                   176.170(c) of this chapter, table 1,
                                   under Categories I, II, IV-B, VI, VII-
                                   B, and VIII.
Dicetyl thiodipropionate having   The concentration of this additive and
 a melting point of 59 deg.-62     any other permitted antioxidants in
 deg.C as determined by ASTM       the finished food-contact article
 method E324-79, "Standard Test   shall not exceed a total of 0.5
 Method for Relative Initial and   milligram per square inch of food-
 Final Melting Points and the      contact surface.
 Melting Range of Organic
 Chemicals," and a
 saponification value in the
 range 176-183 as determined by
 ASTM method D1962-67
 (Reapproved 1979), "Standard
 Test Method for Saponification
 Value of Drying Oils, Fatty
 Acids, and Polymerized Fatty
 Acids," which are incorporated
 by reference. Copies may be
 obtained from the American
 Society for Testing Materials,
 1916 Race St., Philadelphia, PA
 19103, or may be examined at
 the Office of the Federal
 Register, 800 North Capitol
 Street, NW., suite 700,
 Washington, DC 20408.
Didodecyl- 1,4-dihydro-2,6-       For use only at levels not to exceed
 dimethyl-3,5-                     0.3 percenmt by weight in rigid
 pyridinedicarboxylate (CAS Reg.   polymer articles modified in
 No. 36265-41-5).                  accordance with Sec.  178.3790 that
                                   contact food, under conditions of use
                                   E, F, and G described in table 2 of
                                   Sec.  176.170 of this chapter.
2,6-Di([alpha]-methyl benzyl)-4-  For use only at levels not to exceed
 methyl phenol [Chemical           0.2 percent by weight of olefin
 Abstracts Service Registry No.    polymers complying with item 3.4 in
 1817-68-1].                       Sec.  177.1520(c) of this chapter,
                                   provided that such olefin polymers
                                   are limited to use at a level not to
                                   exceed 25 percent by weight in other
                                   olefin polymers complying with Sec.
                                   177.1520 of this chapter; and the
                                   total amount in such finished olefin
                                   polymers not to exceed 0.05 percent
                                   by weight, including the level that
                                   may be contributed by its presence at
                                   6 percent in the item "butylated,
                                   styrenated cresols * * * " listed in
                                   this paragraph; and further provided
                                   that the finished olefin polymers are
                                   intended for contact with foods,
                                   except those containing more than 8
                                   percent alcohol.
2,4-Dimethyl-6-(1-                For use only:
 methylpentadecyl)phenol (CAS     1. At levels not to exceed 0.3 percent
 Reg. No. 134701-20-5).            by weight of acrylonitrile-butadiene-
                                   styrene copolymers used in accordance
                                   with applicable regulations in parts
                                   175, 176, 177, and 181 of this
                                   chapter, under conditions of use C
                                   through H as described in table 2 of
                                   Sec.  176.170(c) of this chapter.
                                  2. At levels not to exceed 0.033
                                   percent by weight of rigid polyvinyl
                                   chloride, under conditions of use A
                                   through H as described in table 2 of
                                   Sec.  176.170(c) of this chapter.
Dimethyl succinate polymer with   For use only:
 4-hydroxy-2,2,6,6-tetramethyl-1- 1. At levels not to exceed 0.3 percent
 piperidineethanol (CAS Reg. No.   by weight of olefin polymers
 65447-77-0).                      complying with Sec.  177.1520 of this
                                   chapter and under conditions of use B
                                   through H described in table 2 of
                                   Sec.  176.170(c) of this chapter.
                                  2. At levels not to exceed 0.3 percent
                                   by weight of ethylene-vinyl acetate
                                   copolymers complying with Sec.
                                   177.1350 of this chapter and under
                                   conditions of use B through H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
 
[[Page 366]]
 
 
Dimethyltin/monomethyltin         For use only at levels not to exceed 2
 isooctylmercaptoacetates          percent by weight:
 consisting of 5 to 90 percent    1. In rigid polyvinyl chloride used in
 by weight of monomethyltin tris   the manufacture of pipes intended for
 (isooctylmercaptoacetate) (CAS    contact with water in food-processing
 Reg. No. 54849-38-6) or           plants, and
 monomethyltin tris(2-            2. In rigid polyvinyl chloride and in
 ethylhexylmercaptoacetate) (CAS   rigid vinyl chloride copolymers
 Reg. No. 57583-34-3) and 10 to    complying with Sec.  177.1950 of this
 95 percent by weight of           chapter or Sec.  177.1980 of this
 dimethyltin bis                   chapter for use in contact with food
 (isooctylmercaptoacetate) (CAS    of Types I, II, III, IV (except
 Reg. No. 26636-01-1) or           liquid milk), V, VI, VII, VIII, and
 dimethyltin bis(2-                IX described in table 1 of Sec.
 ethylhexylmercaptoacetate) (CAS   176.170(c) of this chapter under
 Reg. No. 57583-35-4), and no      conditions of use C through G
 more than 0.4 percent by weight   described in table 2 of Sec.
 of trimethyltin compounds, and    176.170(c) of this chapter at
 having the following              temperatures not to exceed 88  deg.C
 specifications: Tin content (as   (190  deg.F).
 Sn) in the range of 15 to 21
 percent and mercaptosulfur
 content in the range of 11 to
 13.5 percent. Other alkyltin
 compounds are not to exceed 20
 ppm.
Dimyristyl thiodipropionate       Finished food-contact articles
 having a melting point of 48      containing this additive shall meet
 deg.-52  deg.C as determined by   the extractives limitations
 ASTM method E324-79, "Standard   prescribed in Sec.  176.170(c) of
 Test Method for Relative          this chapter.
 Initial and Final Melting
 Points and the Melting Range of
 Organic Chemicals," and a
 saponification equivalent in
 the range 280-290 as determined
 by ASTM method D1962-67
 (Reapproved 1979), "Standard
 Test Method for Saponification
 Value of Drying Oils, Fatty
 Acids, and Polymerized Fatty
 Acids," which are incorporated
 by reference. Copies may be
 obtained from the American
 Society for Testing Materials,
 1916 Race St., Philadelphia PA
 19103, or may be examined at
 the Office of the Federal
 Register, 800 North Capitol
 Street, NW., suite 700,
 Washington, DC 20408.
Di(n-octyl)tin bis(2-ethylhexyl   For use only at levels not to exceed
 maleate) [CAS Reg. No. 10039-33-  0.5 percent by weight of
 5] having 12.5 to 15.0 percent    acrylonitrile copolymers complying
 by weight of tin (Sn) and         with Secs.  177.1020 and 177.1030 of
 having a saponification number    this chapter and used in contact with
 of 260 to 280. The additive is    all food types under conditions of
 made from di(n-octyl)tin oxide    use C through G described in table 2
 meeting the specifications of     of Sec.  176.170(c) of this chapter.
 Sec.  178.2650(a)(1).
N,N'-Diphenylthiourea...........  For use only:
                                  1. At levels not to exceed 0.5 percent
                                   by weight of polyvinyl chloride and/
                                   or vinyl chloride copolymers
                                   complying with Sec.  177.1980 of this
                                   chapter.
                                  2. At levels not to exceed 0.5 percent
                                   by weight of vinyl chloride-vinyl
                                   acetate copolymers containing not
                                   more than 20 molar percent of vinyl
                                   acetate.
2-(4,6-Diphenyl-1,3,5-triazin-2-  For use only
 yl)-5-hexyloxy)phenol (CAS Reg.  1. At levels not to exceed 0.5 percent
 No. 147315-50-2).                 by weight of polycarbonate resins
                                   complying with Sec.  177.1580 of this
                                   chapter.
                                  2. At levels not to exceed 0.5 percent
                                   by weight of polyester elastomers
                                   complying with Sec.  177.1590 of this
                                   chapter.
                                  3. At levels not to exceed 0.5 percent
                                   by weight of polyethylene phthalate
                                   polymers complying with Sec.
                                   177.1630 of this chapter, in contact
                                   with food under conditions of use A
                                   through H described in Table 2 of
                                   Sec.  176.170(c) of this chapter.
2,6-Di-tert-butyl-4-ethylphenol.  For use only in contact with
                                   nonalcoholic foods:
                                  1. At levels not exceeding 0.04 mg/in
                                   \2\ of food contact surface and not
                                   exceeding 0.1 percent by weight in
                                   ethylene polymers and copolymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 2.3,
                                   3.1, 3.2, and 3.3; Sec.  177.1340;
                                   and Sec.  177.1350 of this chapter.
                                   The average thickness of such
                                   polymers and copolymers in the form
                                   in which they contact food shall not
                                   exceed 0.0025 in.
                                  2. At levels not exceeding 0.04 mg/in
                                   \2\ of food contact surface in
                                   ethylene polymers and copolymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 2.3,
                                   3.1, 3.2, and 3.3; Sec.  177.1340;
                                   and Sec.  177.1350 of this chapter.
                                   The average thickness of such
                                   polymers and copolymers in the form
                                   in which they contact food shall be
                                   greater than 0.0025 in but shall not
                                   exceed 0.025 in.
 
[[Page 367]]
 
 
3,5-Di-tert-butyl-4-              For use only:
 hydroxyhydrocinnamic acid        1. At levels not to exceed 0.5 percent
 triester with 1,3,5-tris(2-       by weight of polypropylene complying
 hydroxyethyl)-s-triazine-2,4,6-   with Sec.  177.1520 of this chapter
 (1H,3H,5H)-trione (CAS Reg. No.   in articles that contact food not in
 34137-09-2).                      excess of high temperature heat-
                                   sterilized condition of use A
                                   described in Sec.  176.170(c) of this
                                   chapter, table 2.
                                  2. At levels not to exceed 0.5 percent
                                   by weight of polyethylene complying
                                   with Sec.  177.1520 of this chapter
                                   in articles that contact food not in
                                   excess of high temperature heat-
                                   sterilized condition of use A
                                   described in 176.170(c) of this
                                   chapter, table 2.
                                  3. In adhesives complying with Sec.
                                   175.105 of this chapter.
                                  4. At levels not to exceed 0.25
                                   percent by weight of olefin
                                   copolymers complying with Sec.
                                   177.1520(c) of this chapter, items
                                   3.1, 3.2, 3.3, 3.4, 3.5, and 4.0.
                                  5. At levels not to exceed 2 percent
                                   by weight of polyester elastomers,
                                   complying with Sec.  177.1590 of this
                                   chapter, in contact with dry food
                                   only, and finished rubber articles
                                   for repeated use, complying with Sec.
                                    177.2600 of this chapter, in contact
                                   with all foods, at temperatures not
                                   to exceed 150  deg.F.
Di-tert-butyl-m-cresyl            For use only:
 phosphonite condensation         1. At levels not to exceed 0.1 percent
 product with biphenyl (CAS Reg.   by weight of olefin polymers
 No. 178358-58-2) produced by      complying with Sec.  177.1520(c) of
 the condensation of 4,6-di-tert-  this chapter, items 1.1, 2.1, 2.2,
 butyl-m-cresol with the Friedel-  3.1(a), 3.1(b), 3.2(a), or 3.2(b).
 Crafts addition product
 (phosphorus trichloride and
 biphenyl) so that the food
 additive has a minimum
 phosphorus content of 5.0
 percent.
Di-tert-butylphenyl phosphonite   For use only:
 condensation product with        1. At levels not to exceed 0.1 percent
 biphenyl (CAS Reg. No. 119345-    by weight of olefin polymers
 01-6) produced by the             complying with Sec.  177.1520(c) of
 condensation of 2,4-di-tert-      this chapter, items 1.1, 1.2, 1.3,
 butylphenol with the Friedel-     3.2b, 3.3a, 3.3b, 3.4, 3.5, and 3.1a
 Crafts addition product           (where the density is not less than
 (phosphorus trichloride and       0.85 gram per cubic centimeter and
 biphenyl) so that the food        not more than 0.91 gram per cubic
 additive has a minimum            centimeter); and 2.1, 2.2, 2.3, 3.1a,
 phosphorus content of 5.4         3.1b, 3.2a, and 3.6 (where the
 percent, an acid value not        density is not less than 0.94 gram
 exceeding 10 mg KOH/gm, and a     per cubic centimeter) and 5.
 melting range of 85  deg.C to    2. At levels not to exceed 0.1 percent
 110  deg.C (185  deg.F to 230     by weight of polycarbonate resins
 deg.F).                           complying with Sec.  177.1580 of this
                                   chapter.
                                  3. At levels not to exceed 0.2 percent
                                   by weight of polystyrene and 0.3
                                   percent by weight of rubber-modified
                                   polystyrene complying with Sec.
                                   177.1640 of this chapter.
                                  4. At levels not to exceed 0.15
                                   percent by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 2.3,
                                   3.1a, 3.1b, 3.2a, 3.4, 3.5, and 3.6
                                   (where the polyethylene component has
                                   a density less than 0.94 gram per
                                   cubic centimeter).
                                  5. At levels not to exceed 0.1 percent
                                   by weight of repeated use rubber
                                   articles complying with Sec.
                                   177.2600 of this chapter.
2,4-Di-tert-butylphenyl-3,5-di-   For use only:
 tert-butyl-4-hydroxy-benzoate    1. At levels not to exceed 0.6 percent
 (CAS Reg. No. 4221-80-1).         by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, item 1.1: (1) when used
                                   in single-use articles that contact
                                   food of types I, II, IV-B, VI-A, VI-
                                   B, VII-B, and VIII, identified in
                                   table 1 of Sec.  176.170(c) of this
                                   chapter; and (2) when used in
                                   repeated-use articles that contact
                                   food of types I, II, III, IV, V, VI,
                                   VII, VIII, and IX identified in table
                                   1 of Sec.  176.170(c) of this
                                   chapter. The additive is used under
                                   conditions of use B through H
                                   described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.25
                                   percent by weight of olefin polymers
                                   having a density of not less than
                                   0.94 gram per cubic centimeter and
                                   complying with Sec.  177.1520(c) of
                                   this chapter, items 2.1, 2.2, 3.1,
                                   and 3.2: (1) when used in single-use
                                   articles that contact food of types
                                   I, II, IV-B, VI-A, VI-B, VII-B, and
                                   VIII, identified in table 1 of Sec.
                                   176.170(c) of this chapter; and (2)
                                   when used in repeated-use articles
                                   that contact food of types I, II,
                                   III, IV, V, VI, VII, VIII, and IX
                                   identified in table 1 of Sec.
                                   176.170(c) of this chapter. The
                                   additive is used under conditions of
                                   use B through H described in table 2
                                   of Sec.  176.170(c) of this chapter.
 
[[Page 368]]
 
 
2,4-Di-tert-pentyl-6-[1-(3,5-di-  For use only:
 tert-pentyl-2-                   1. At levels not to exceed 0.2 percent
 hydroxyphenyl)ethyl]phenyl        by weight of polypropylene complying
 acrylate (CAS Reg. No. 123968-    with Sec.  177.1520 of this chapter
 25-2).                            in contact with food under conditions
                                   of use D through G as described in
                                   Table 2 of Sec.  176.170(c) of this
                                   chapter, except that polypropylene
                                   containing the additive at levels not
                                   to exceed 0.075 percent by weight may
                                   contact food under conditions of use
                                   A through H described in Table 2 of
                                   Sec.  176.170(c) of this chapter.
                                  2. At levels not to exceed 1.0 percent
                                   by weight of of styrene block
                                   polymers complying with Sec.
                                   177.1810 of this chapter. The
                                   additive is used under conditions of
                                   use D through G as described in Table
                                   2 of Sec.  176.170(c) of this
                                   chapter.
                                  3. At levels not to exceed 1.0 percent
                                   by weight of polystyrene and rubber
                                   modified polystyrene complying with
                                   Sec.  177.1640 of this chapter in
                                   contact with food under conditions of
                                   use D through G as described in Table
                                   2 of Sec.  176.170(c) of this
                                   chapter.
N,N[dprime]-1,2-Ethanediylbis[N-  For use only:
 [3-[[4,6-bis[butyl(1,2,2,6,6-    1. At levels not to exceed 0.06
 pentamethyl-4-                    percent by weight of olefin polymers
 piperidinyl)amino]-1,3,5-         complying with Sec.  177.1520(c) of
 triazin-2-yl]amino]propyl]-       this chapter, items 1.1a, 1.1b, 1.2,
 N',N"-dibutyl-N',N"-            or 1.3. The finished polymers may
 bis(1,2,2,6,6-pentamethyl-4-      only be used in contact with food of
 piperidinyl)-1,3,5-triazine-      the Types III, IV-A, V, VI-C, VII-A,
 2,4,6-triamine] (CAS Reg. No.     and IX as described in table 1 of
 106990-43-6).                     Sec.  176.170(c) of this chapter, and
                                   under conditions of use A through H
                                   as described in table 2 of Sec.
                                   176.170(c) of this chapter.
                                  2. At levels not to exceed 0.08
                                   percent by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter. The finished polymers
                                   may only be used in contact with food
                                   of the Types I, II, IV-B, VI-A, VI-B,
                                   VII-B, and VIII as described in table
                                   1 of Sec.  176.170(c) of this
                                   chapter, and under conditions of use
                                   A through H as described in table 2
                                   of Sec.  176.170(c) of this chapter.
Ethylenebis(oxyethylene)-bis-(3-  1. At levels not to exceed 0.3 percent
 tert-butyl-4-hydroxy-5-           by weight of polystyrene and/or
 methylhydrocinnamate) (CAS Reg.   rubber modified polystyrene polymers
 No. 36443-68-2).                  complying with Sec.  177.1640 of this
                                   chapter.
                                  2. At levels not to exceed 0.3 percent
                                   by weight of acrylonitrile-butadiene-
                                   styrene copolymers used in accordance
                                   with applicable regulations in parts
                                   175, 176, 177, and 181 of this
                                   chapter.
                                  3. At levels not to exceed 0.75
                                   percent by weight of polyoxymethylene
                                   copolymers used in accordance with
                                   Sec.  177.2470 of this chapter. The
                                   finished articles shall not be used
                                   for foods containing more than 15
                                   percent alcohol.
                                  4. At levels not to exceed 0.25
                                   percent by weight of polyoxymethylene
                                   homopolymers used in accordance with
                                   Sec.  177.2480 of this chapter. The
                                   finished articles shall not be used
                                   for foods containing more than 15
                                   percent alcohol.
                                  5. At levels not to exceed 0.2 percent
                                   by weight of rigid vinyl chloride
                                   plastics prepared from vinyl chloride
                                   homopolymers and/or vinly chloride
                                   copolymers used in accordance with a
                                   prior sanction or applicable
                                   regulations in parts 175, 176, and
                                   177 of this chapter. The vinyl
                                   chloride copolymers shall contain not
                                   less than 50 weight percent of total
                                   polymer units derived from vinyl
                                   chloride.
                                  6. At levels not to exceed 0.1 percent
                                   by weight of vinylidene chloride
                                   homopolymers and/or vinylidene
                                   chloride copolymers used in
                                   accordance with a prior sanction or
                                   applicable regulations in parts 175,
                                   176, and 177 of this chapter. The
                                   vinylidene chloride copolymers shall
                                   contain not less than 50 weight
                                   percent of total polymer units
                                   derived from vinylidene chloride.
                                  7. In adhesives used in accordance
                                   with Sec.  175.105 of this chapter.
 
[[Page 369]]
 
 
2,2'-Ethylidenebis(4,6-di-tert-   For use only:
 butylphenol) (CAS Reg. No.       1. At levels not to exceed 0.1 percent
 35958-30-6).                      by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, item 1.1, 1.2, 1.3,
                                   3.1, or 3.2 (where the polymers
                                   complying with items 3.1 and 3.2
                                   contain primarily polymer units
                                   derived from propylene).
                                  2. At levels not to exceed 0.05
                                   percent by weight of olefin polymers
                                   complying with Sec.  177.1520(c) of
                                   this chapter, item 2.1, 2.2, or 2.3.
                                   The finished polymers are to be used
                                   only under conditions of use B
                                   through H described in table 2 of
                                   Sec.  176.170(c) of this chapter.
                                  3. At levels not to exceed 0.075
                                   percent by weight of olefin polymers