CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 172—FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION > SUBPART H—Other Specific Usage Additives (§172.710 to §172.785) > 172.775—Methacrylic acid-divinylbenzene copolymer.

172.775—Methacrylic acid-divinylbenzene copolymer.

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.