---
kind: "section"
citation: "21 C.F.R. § 573.210"
title: "21"
number: "573.210"
heading: "Benzoic acid."
url: "https://uscodex.org/cfr/21/573.210"
---

# §573.210. Benzoic acid.


The food additive, benzoic acid, may be safely used in the manufacture of complete swine feeds in accordance with the following prescribed conditions:

- (a) The additive is used or intended for use as a feed acidifying agent, to lower the pH, in complete swine feeds at levels not to exceed 0.5 percent of the complete feed.
- (b) The additive consists of not less than 99.5 percent benzoic acid (CAS 65-85-0) by weight with the sum of 2-methylbiphenyl, 3-methylbiphenyl, 4-methylbiphenyl, benzyl benzoate, and isomers of dimethylbiphenyl not to exceed 0.01 percent by weight.
- (c) To assure safe use of the additive, in addition to the other information required by the Federal Food, Drug, and Cosmetic Act and [paragraph (b)](#b) of this section, the label and labeling shall contain:
  - (1) **The name of the additive.**
  - (2) Adequate directions for use including a statement that benzoic acid must be uniformly applied and thoroughly mixed into complete swine feeds and that the complete swine feeds so treated shall be labeled as containing benzoic acid.
  - (3) **Appropriate warnings and safety precautions concerning benzoic acid.**
  - (4) **A warning statement identifying benzoic acid as a possible irritant.**
  - (5) **Information about emergency aid in case of accidental exposure.**
  - (6) Contact address and telephone number for reporting adverse reactions or to request a copy of the Material Safety Data Sheet (MSDS).

## Notes

### Amendments

[79 FR 14176, Mar. 13, 2014]

### Authority

Authority: 21 U.S.C. 321, 342, 348.

### Source

Source: 41 FR 38652, Sept. 10, 1976, unless otherwise noted.

### Amendments

[79 FR 14176, Mar. 13, 2014]