StacksVerified U.S. regulatory reference

21 CFR §172.775

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Methacrylic acid-divinylbenzene copolymer may be safely used in food in accordance with the following prescribed conditions:
  1. (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.
  2. (b)Aqueous extractives from the additive do not exceed 2 percent (dry basis) after 24 hours at 25 °C.
  3. (c)The additive is used as a carrier of vitamin B12 in foods for special dietary use.