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42 FR 14491, Mar. 15, 1977, unless otherwise noted.
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Subscribe to: 21 CFR 172.775
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Nomenclature changes to part 172 appear at 61 FR 14482, Apr. 2, 1996; 66 FR 56035, Nov. 6, 2001; 66 FR 66742, Dec. 27, 2001; 68 FR 15355, Mar. 31, 2003; 70 FR 40880, July 15, 2005; 70 FR 67651, Nov. 8, 2005; 70 FR 72074, Dec. 1, 2005; and 81 FR 49896, July 29, 2016.
Methacrylic acid-divinylbenzene copolymer may be safely used in food in accordance with the following prescribed conditions:
(a) The additive is produced by the polymerization of methacrylic acid and divinylbenzene. The divinylbenzene functions as a cross-linking agent and constitutes a minimum of 4 percent of the polymer.
(b) Aqueous extractives from the additive do not exceed 2 percent (dry basis) after 24 hours at 25 °C.
(c) The additive is used as a carrier of vitamin B12 in foods for special dietary use.