21 CFR § 181.33 - Sodium nitrate and potassium nitrate.

---
identifier: "/us/cfr/t21/s181.33"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 181.33 - Sodium nitrate and potassium nitrate."
title_number: 21
title_name: "Food and Drugs"
section_number: "181.33"
section_name: "Sodium nitrate and potassium nitrate."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "181"
part_name: "PRIOR-SANCTIONED FOOD INGREDIENTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 342, 348, 371."
regulatory_source: "42 FR 14638, Mar. 15, 1977, unless otherwise noted."
cfr_part: "181"
---


# 181.33 Sodium nitrate and potassium nitrate.

Sodium nitrate and potassium nitrate are subject to prior sanctions issued by the U.S. Department of Agriculture for use as sources of nitrite, with or without sodium or potassium nitrite, in the production of cured red meat products and cured poultry products.

[48 FR 1705, Jan. 14, 1983]