---
kind: "section"
citation: "21 C.F.R. § 184.1366"
title: "21"
number: "184.1366"
heading: "Hydrogen peroxide."
url: "https://uscodex.org/cfr/21/184.1366"
---

# §184.1366. Hydrogen peroxide.

- (a) **Hydrogen peroxide (H<I>2</I>O<I>2</I>, CAS Reg.** No. 7722-84-1) is also referred to as hydrogen dioxide. It is made by the electrolytic oxidation of sulfuric acid or a sulfate to persulfuric acid or a persulfuric acid salt with subsequent hydrolysis and distillation of the hydrogen peroxide formed; by decomposition of barium peroxide with sulfuric or phosphoric acid; by hydrogen reduction of 2-ethylanthraquinone, followed by oxidation with air, to regenerate the quinone and produce hydrogen peroxide; or by electrical discharge through a mixture of hydrogen, oxygen, and water vapor.
- (b) **The ingredient meets the specifications of the Food Chemicals Codex, 3d ed.**
  - (1981) , pp. 146-147, 1 which is incorporated by reference.
- (c) In accordance with [§ 184.1(b)(2)](/cfr/21/184.1.md?p=b-2), the ingredient is used to treat food only within the following specific limitations:
- (d) Residual hydrogen peroxide is removed by appropriate physical and chemical means during the processing of food where it has been used according to [paragraph (c)](#c) of this section.
- (e) Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.

## Notes

### Amendments

[46 FR 44439, Sept. 4, 1981, as amended at 51 FR 27172, July 30, 1986]

### Authority

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

### Source

Source: 42 FR 14653, Mar 15, 1977, unless otherwise noted.

### Amendments

[46 FR 44439, Sept. 4, 1981, as amended at 51 FR 27172, July 30, 1986]