---
kind: "section"
citation: "21 C.F.R. § 573.1020"
title: "21"
number: "573.1020"
heading: "Yellow prussiate of soda."
url: "https://uscodex.org/cfr/21/573.1020"
---

# §573.1020. Yellow prussiate of soda.


Yellow prussiate of soda (sodium ferrocyanide decahydrate: Na4Fe(Cn)6°-10H2O) may be safely used as an anticaking agent in salt for animal consumption at a level not to exceed 13 parts per million. The additive contains a minimum of 99.0 percent by weight of sodium ferrocyanide decahydrate.


## Notes

### Amendments

[41 FR 38657, Sept. 10, 1976; 41 FR 48100, Nov. 2, 1976]

### Authority

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

### Source

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

### Amendments

[41 FR 38657, Sept. 10, 1976; 41 FR 48100, Nov. 2, 1976]