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172 Subpart C—Substances for Use As Components

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172 Subpart C—Substances for Use As Components § 175.210 21 CFR Ch. I (4–1–13 Edition) not to exceed 0.05 percent by weight of Rubber hydrochloride. the finished pressure-sensitive adhe- Rubber (natural latex solids or crepe, sive. smoked or unsmoked). (8) 2-Hydroxy-1-[4-(2-hydroxyethoxy) Terpene resins (a- and b-pinene), homopolymers, copolymers, and conden- phenyl]-2-methyl-1-propanone (CAS sates with phenol, formaldehyde, cou- Reg. No. 106797–53–9) as a photoinitiator marone, and/or indene. at a level not to exceed 5 percent by Tetrasodium ethylenediaminetetraacetate. weight of the pressure-sensitive adhe- Tri(mixed mono- and dinonylphenyl) sive. phosphite (which may contain not more than 1 percent by weight of (9) Butanedioic acid, sulfo-1,4-di-(C9- triisopropanolamine). C11 alkyl) ester, ammonium salt (also known as butanedioic acid sulfo-1, 4- (c) Acrylonitrile copolymers identi- diisodecyl ester, ammonium salt [CAS fied in this section shall comply with Reg. No. 144093–88–9]) as a surface ac- the provisions of § 180.22 of this chap- tive agent at a level not to exceed 3.0 ter. percent by weight of the finished pres- sure-sensitive adhesive. [42 FR 14534, Mar. 15, 1977, as amended at 42 FR 15674, Mar. 22, 1977; 48 FR 15617, Apr. 12, (b) Pressure-sensitive adhesives pre- 1983; 63 FR 3464, Jan. 23, 1998; 63 FR 51528, pared from one or a mixture of two or Sept. 28, 1998; 64 FR 48291, Sept. 3, 1999] more of the substances listed in this paragraph may be used as the food-con- Subpart C—Substances for Use as tact surface of labels and/or tapes ap- plied to raw fruit and raw vegetables. Components of Coatings (1) Substances listed in paragraphs § 175.210 Acrylate ester copolymer (a)(1), (a)(2), (a)(3), (a)(5), (a)(6), (a)(7), coating. (a)(8), and (a)(9) of this section, and those substances prescribed by para- Acrylate ester copolymer coating graph (a)(4) of this section that are not may safely be used as a food-contact identified in paragraph (b)(2) of this surface of articles intended for pack- section. aging and holding food, including heat- (2) Substances identified in this sub- ing of prepared food, subject to the pro- paragraph and subject to the limita- visions of this section: tions provided: (a) The acrylate ester copolymer is a fully polymerized copolymer of ethyl BHA. acrylate, methyl methacrylate, and BHT. methacrylic acid applied in emulsion Butadiene-acrylonitrile copolymer. form to molded virgin fiber and heat- Butadiene-acrylonitrile-styrene copolymer. Butadiene-styrene copolymer. cured to an insoluble resin. Butyl rubber. (b) Optional substances used in the Butylated reaction product of p-cresol and preparation of the polymer and in the dicyclopentadiene produced by reacting p- preparation and application of the cresol and dicyclopentadiene in an approxi- emulsion may include substances mate mole ratio of 1.5 to 1.0, respectively, named in this paragraph, in an amount followed by alkylation with isobutylene so not to exceed that required to accom- that the butyl content of the final product plish the desired technical effect and is not less than 18 percent, for use at levels not to exceed 1.0 percent by weight of the subject to any limitation prescribed: adhesive formulation. Provided, however, That any substance Chlorinated natural rubber. named in this paragraph and covered Isobutylene-styrene copolymer. by a specific regulation in subchapter Petrolatum. B of this chapter must meet any speci- Polybutene-1. fications in such regulation. Polybutene, hydrogenated; complying with the identity prescribed under § 178.3740(b) of List of substances Limitations this chapter. Polyisobutylene. Aluminum stearate. cis-1,4-Polyisoprene. Ammonium lauryl sulfate. Polystyrene. Borax ............................................ Not to exceed the amount required as a Propyl gallate. preservative in emul- Rapeseed oil, vulcanized. sion defoamer. Rosins and rosin derivatives as provided in Disodium hydrogen phosphate ..... Do. § 178.3870 of this chapter. Formaldehyde. 172 VerDate Mar<15>2010 07:47 May 23, 2013 Jkt 229070 PO 00000 Frm 00182 Fmt 8010 Sfmt 8010 Y:\SGML\229070.XXX 229070 wreier-aviles on DSK5TPTVN1PROD with CFR Food and Drug Administration, HHS § 175.250 List of substances Limitations (a) The additive is synthesized by the Fischer-Tropsch process from carbon Glyceryl monostearate. Methyl cellulose. monoxide and hydrogen, which are cat- Mineral oil. alytically converted to a mixture of Paraffin wax. paraffin hydrocarbons. Lower molec- Potassium hydroxide. Potassium persulfate. ular-weight fractions are removed by Tallow. distillation. The residue is hydro- Tetrasodium pyrophosphate. genated and may be further treated by Titanium dioxide. percolation through activated char- (c) The coating in the form in which coal. This mixture can be fractionated it contacts food meets the following into its components by a solvent sepa- tests: ration method, using synthetic (1) An appropriate sample when ex- isoparaffinic petroleum hydrocarbons posed to distilled water at 212 °F for 30 complying with § 178.3530 of this chap- minutes shall yield total chloroform- ter. soluble extractables not to exceed 0.5 (b) Synthetic paraffin shall conform milligram per square inch. to the following specifications: (2) An appropriate sample when ex- (1) Congealing point. There is no speci- posed to n-heptane at 120 °F for 30 min- fication for the congealing point of utes shall yield total chloroform-solu- synthetic paraffin components, except ble extractables not to exceed 0.5 milli- those components that have a con- gram per square inch. gealing point below 50 °C when used in contact with food Types III, IVA, V, § 175.230 Hot-melt strippable food VIIA, and IX identified in table 1 of coatings. § 176.170(c) of this chapter and under Hot-melt strippable food coatings conditions of use E, F, and G described may be safely applied to food, subject in table 2 of § 176.170(c) of this chapter to the provisions of this section. shall be limited to a concentration not (a) The coatings are applied to and exceeding 15 percent by weight of the used as removable coatings for food. finished coating. The congealing point (b) The coatings may be prepared, as shall be determined by ASTM method mixtures, from the following sub- D938–71 (Reapproved 1981), ‘‘Standard stances: Test Method for Congealing Point of (1) Substances generally recognized Petroleum Waxes, Including Petro- as safe in food. latum,’’ which is incorporated by ref- (2) Substances identified in this sub- erence. Copies may be obtained from paragraph. the American Society for Testing Ma- terials, 100 Barr Harbor Dr., West List of substances Limitations Conshohocken, Philadelphia, PA 19428- Acetylated monoglycerides ........... Complying with 172.828 2959, or may be examined at the Na- of this chapter. tional Archives and Records Adminis- Cellulose acetate butyrate. Cellulose acetate propionate. tration (NARA). For information on Mineral oil, white ........................... For use only as a com- the availability of this material at ponent of hot-melt NARA, call 202–741–6030, or go to: http:// strippable food coat- ings applied to frozen www.archives.gov/federallregister/ meats and complying codeloflfederallregulations/ with § 172.878 of this ibrllocations.html. chapter. (2) Oil content. The substance has an oil content not exceeding 2.5 percent as § 175.250 Paraffin (synthetic). determined by ASTM method D721–56T, Synthetic paraffin may be safely ‘‘Tentative Method of Test for Oil Con- used as an impregnant in, coating on, tent of Petroleum Waxes’’ (Revised or component of coatings on articles 1956), which is incorporated by ref- used in producing, manufacturing, erence. See paragraph (b)(1) of this sec- packing, processing, preparing, treat- tion for availability of the incorpora- ing, packaging, transporting, or hold- tion by reference. ing food in accordance with the fol- (3) Absorptivity. The substance has an lowing prescribed conditions: absorptivity at 290 millimicrons in 173 VerDate Mar<15>2010 07:47 May 23, 2013 Jkt 229070 PO 00000 Frm 00183 Fmt 8010 Sfmt 8010 Y:\SGML\229070.XXX 229070 wreier-aviles on DSK5TPTVN1PROD with CFR § 175.260 21 CFR Ch. I (4–1–13 Edition) decahydronaphthalene at 88 °C not ex- § 175.270 Poly(vinyl fluoride) resins. ceeding 0.01 as determined by ASTM Poly(vinyl fluoride) resins identified method E131–81a, ‘‘Standard Defini- in this section may be safely used as tions of Terms and Symbols Relating to Molecular-Spectroscopy,’’ which is components of food-contact coatings incorporated by reference. See para- for containers having a capacity of not graph (b)(1) of this section for avail- less than 5 gallons, subject to the pro- ability of the incorporation by ref- visions of this section. erence. (a) For the purpose of this section, (c) The provisions of this section are poly(vinyl fluoride) resins consist of not applicable to synthetic paraffin basic resins produced by the polym- used in food-packaging adhesives com- erization of vinyl fluoride. plying with § 175.105. (b) The poly(vinyl fluoride) basic res- ins have an intrinsic viscosity of not [42 FR 14534, Mar. 15, 1977, as amended at 47 less than 0.75 deciliter per gram as de- FR 11839, Mar. 19, 1982; 49 FR 10106, Mar. 19, 1984; 51 FR 47010, Dec. 30, 1986; 60 FR 39645, termined by ASTM method D1243–79, Aug. 3, 1995] ‘‘Standard Test Method for Dilute So- lution Viscosity of Vinyl Chloride § 175.260 Partial phosphoric acid Polymers,’’ which is incorporated by esters of polyester resins. reference. Copies may be obtained from Partial phosphoric acid esters of pol- the American Society for Testing Ma- yester resins identified in this section terials, 100 Barr Harbor Dr., West and applied on aluminum may be safely Conshohocken, Philadelphia, PA 19428- used as food-contact coatings, in ac- 2959, or may be examined at the Na- cordance with the following prescribed tional Archives and Records Adminis- conditions: tration (NARA).
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