---
kind: "section"
citation: "21 C.F.R. § 186.1750"
title: "21"
number: "186.1750"
heading: "Sodium chlorite."
url: "https://uscodex.org/cfr/21/186.1750"
---

# §186.1750. Sodium chlorite.

- (a) **Sodium chlorite (NaCLO<I>2</I>, CAS Reg.** No. 7758-19-2) exists as slightly hygroscopic white crystals or flakes. It is manufactured by passing chlorine dioxide into a solution of sodium hydroxide and hydrogen peroxide.
- (b) the ingredient is used at levels from 125 to 250 parts per million as a slimicide in the manufacture of paper and paperboard that contact food.

## Notes

### Amendments

[45 FR 16470, Mar. 14, 1980]

### Authority

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

### Source

Source: 42 FR 14658, Mar. 15, 1977, unless otherwise noted.

### Amendments

[45 FR 16470, Mar. 14, 1980]