sign in sign up
<<
Home , Acrylonitrile

Food and Drug Administration, HHS § 177.1020

§ 177.1020 //sty- (2) Residual acrylonitrile rene co-. content of the finished arti- Acrylonitrile/butadiene/styrene co- cles is not more than 11 parts per mil- polymer identified in this section may lion as determined by a gas be safely used as an article or compo- chromatographic method titled ‘‘De- nent of articles intended for use with termination of Residual Acrylonitrile all foods, except those containing alco- and Styrene -Gas hol, under conditions of use E, F, and G Chromatographic Internal Standard described in table 2 of § 176.170(c) of this Method,’’ which is incorporated by ref- chapter. erence. Copies are available from the (a) Identity. For the purpose of this Center for Food Safety and Applied Nu- section, the acrylonitrile/butadiene/ trition (HFS–200), Food and Drug Ad- styrene copolymer consists of: ministration, 5100 Paint Branch Pkwy., (1) Eighty-four to eighty-nine parts College Park, MD 20740, or available for by weight of a matrix polymer con- inspection at the National Archives taining 73 to 78 parts by weight of acry- and Records Administration (NARA). lonitrile and 22 to 27 parts by weight of For information on the availability of styrene; and this material at NARA, call 202–741– (2) Eleven to sixteen parts by weight 6030, or go to: http://www.archives.gov/ of a grafted rubber consisting of (i) 8 to federallregister/ 13 parts of butadiene/styrene codeloflfederallregulations/ containing 72 to 77 parts by weight of ibrllocations.html. butadiene and 23 to 28 parts by weight (d) Extractive limitations. (1) Total of styrene and (ii) 3 to 8 parts by nonvolatile extractives not to exceed weight of a graft polymer having the same composition range as the matrix 0.0005 milligram per square inch sur- polymer. face area when the finished food con- (b) Adjuvants. The copolymer identi- tact article is exposed to distilled fied in paragraph (a) of this section , 3 percent , or n- may contain adjuvant substances re- heptane for 8 days at 120 °F. quired in its production. Such adju- (2) The finished food-contact article vants may include substances gen- shall yield not more than 0.0015 milli- erally recognized as safe in food, sub- gram per square inch of acrylonitrile stances used in accordance with prior monomer when exposed to distilled sanction, substances permitted in this water and 3 percent acetic acid at 150 part, and the following: °F for 15 days when analyzed by a po- larographic method titled ‘‘Extracted Substance Limitations Acrylonitrile by Differential Pulse Po- 2-Mercapto- The finished copolymer shall contain larography,’’ which is incorporated by not more than 100 ppm 2- reference. Copies are available from mercaptoethanol acrylonitrile adduct as determined by a method titled the Center for Food Safety and Applied ‘‘Analysis of Cycopac Resin for Re- Nutrition (HFS–200), Food and Drug sidual b-(2-Hydroxyethylmercapto) Administration, 5100 Paint Branch ,’’ which is incorporated by reference. Copies are available Pkwy., College Park, MD 20740, or from the Bureau of Foods (HFS– available for inspection at the National 200), Food and Drug Administra- Archives and Records Administration tion, 5100 Paint Branch Pkwy., Col- lege Park, MD 20740, or available (NARA). For information on the avail- for inspection at the National Ar- ability of this material at NARA, call chives and Records Administration 202–741–6030, or go to: http:// (NARA). For information on the availability of this material at NARA, www.archives.gov/federallregister/ call 202–741–6030, or go to: http:// codeloflfederallregulations/ www.archives.gov/federallregister/ ibrllocations.html. codeloflfederallregulations/ ibrllocations.html. (e) Acrylonitrile identi- fied in this section shall comply with (c) Specifications. (1) content the provisions of § 180.22 of this chap- of the copolymer is in the range of 16 ter. to 18.5 percent as determined by Micro- (f) Acrylonitrile copolymers identi- Kjeldahl analysis. fied in this section are not authorized

245

VerDate Mar<15>2010 10:14 May 14, 2012 Jkt 226069 PO 00000 Frm 00255 Fmt 8010 Sfmt 8010 Y:\SGML\226069.XXX 226069 erowe on DSK2VPTVN1PROD with CFR § 177.1030 21 CFR Ch. I (4–1–12 Edition)

to be used to fabricate beverage con- Substances Limitations tainers. 2–Mercaptoethanol .. The finished copolymer shall contain [42 FR 14572, Mar. 15, 1977, as amended at 42 not more than 800 ppm 2– FR 48543, Sept. 23, 1977; 47 FR 11841, Mar. 19, mercaptoethanol acrylonitrile adduct as determined by a method titled 1982; 54 FR 24897, June 12, 1989] ‘‘Analysis of Cycopac Resin for Re- sidual b–(2–Hydroxyethylmercapto) § 177.1030 Acrylonitrile/butadiene/sty- propionitrile,’’ which is incorporated rene/ copoly- by reference. Copies are available mer. from the Bureau of Foods (HFS– 200), Food and Drug Administra- Acrylonitrile/butadiene/styrene/ tion, 5100 Paint Branch Pkwy., Col- lege Park, MD 20740, or available methyl methacrylate copolymer iden- for inspection at the National Ar- tified in this section may be safely chives and Records Administration used as an article or component of arti- (NARA). For information on the availability of this material at NARA, cles intended for use with food identi- call 202–741–6030, or go to: http:// fied in table 1 of § 176.170(c) of this www.archives.gov/federallregister/ chapter as Type I, II, III, IVA, IVB, V, codeloflfederallregulations/ l VIB, (except bottles intended to hold ibr locations.html. carbonated beverages), VIIA, VIIB, VIII (c) Specifications. (1) Nitrogen content and IX, under conditions of use C, D, E, of the copolymer is in the range of 13.0 F, and G described in table 2 of to 16.0 percent as determined by Micro- § 176.170(c) of this chapter with a high Kjeldahl analysis. temperature limitation of 190 °F. (2) Residual acrylonitrile monomer (a) Identity. For the purpose of this content of the finished copolymer arti- section, acrylonitrile/butadiene/sty- cles is not more than 11 parts per mil- rene/methyl methacrylate copolymer lion as determined by a gas consists of: (1) 73 to 79 parts by weight chromatographic method titled ‘‘De- of a matrix polymer containing 64 to 69 termination of Residual Acrylonitrile parts by weight of acrylonitrile, 25 to and Styrene Monomers-Gas 30 parts by weight of styrene and 4 to Chromatographic Internal Standard 6 parts by weight of methyl methacry- Method,’’ which is incorporated by ref- late; and (2) 21 to 27 parts by weight of erence. Copies are available from the a grafted rubber consisting of (i) 16 to Center for Food Safety and Applied Nu- 20 parts of butadiene/styrene/elastomer trition (HFS–200), Food and Drug Ad- containing 72 to 77 parts by weight of ministration, 5100 Paint Branch Pkwy., butadiene and 23 to 28 parts by weight College Park, MD 20740, or available for of styrene and (ii) 5 to 10 parts by inspection at the National Archives weight of a graft polymer having the and Records Administration (NARA). same composition range as the matrix For information on the availability of polymer. this material at NARA, call 202–741– (b) Adjuvants. The copolymer identi- 6030, or go to: http://www.archives.gov/ fied in paragraph (a) of this section federallregister/ may contain adjuvant substances re- codeloflfederallregulations/ quired in its production. Such adju- ibrllocations.html. vants may include substances gen- (d) Extractive limitations. (1) Total erally recognized as safe in food, sub- nonvolatile extractives not to exceed stances used in accordance with prior 0.0005 milligram per square inch sur- sanction, substances permitted under face area of the food-contact article applicable regulations in this part, and when exposed to distilled water, 3 per- the following: cent acetic acid, 50 percent ethanol, and n-heptane for 10 days at 120 °F. (2) The finished food-contact article shall yield not more than 0.0025 milli- gram per square inch of acrylonitrile monomer when exposed to distilled water, 3 percent acetic acid and n- heptane at 190 °F for 2 hours, cooled to

246

VerDate Mar<15>2010 10:14 May 14, 2012 Jkt 226069 PO 00000 Frm 00256 Fmt 8010 Sfmt 8010 Y:\SGML\226069.XXX 226069 erowe on DSK2VPTVN1PROD with CFR