---
kind: "section"
citation: "21 C.F.R. § 172.775"
title: "21"
number: "172.775"
heading: "Methacrylic acid-divinylbenzene copolymer."
url: "https://uscodex.org/cfr/21/172.775"
---

# §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 B<I>12</I> in foods for special dietary use.**

## Notes

### Authority

Authority: 21 U.S.C. 321, 341, 342, 348, 371, 379e.

### Source

Source: 42 FR 14491, Mar. 15, 1977, unless otherwise noted.