Sodium nitrate · US FDA (21 CFR 172–178)
For Sodium nitrate, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.170; use conditions is preservative and color fixative in smoked/cured sablefish, salmon, and shad (not to exceed 500 ppm); in meat-curing preparations for home curing (not to exceed 500 ppm in finished meat product), recorded from its source on 2026-08-15.
- Additive
- Sodium nitrate verified
- Jurisdiction
- US FDA (21 CFR 172–178) our reading
- Status
- permitted our reading
- Citation
- 21 CFR 172.170 our reading
- Use conditions
- preservative and color fixative in smoked/cured sablefish, salmon, and shad (not to exceed 500 ppm); in meat-curing preparations for home curing (not to exceed 500 ppm in finished meat product)
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Permitted for Direct Addition to Food for Human Consumption Subpart B Previous Next Top Table of Contents Enhanced Content - Table of Contents Subpart B | Food Preservatives | 172.105 – 172.190 | § 172.105 | Anoxomer. | § 172.110 | BHA. | § 172.115 | BHT. | § 172.120 | Calcium disodium EDTA. | § 172.130 | Dehydroacetic acid. | § 172.133 | Dimethyl dicarbonate. | § 172.135 | Disodium EDTA. | § 172.140 | Ethoxyquin. | § 172.145 | Heptylparaben. | § 172.150 | 4-Hydroxymethyl-2,6-di-tert-butylphenol. | § 172.155 | Natamycin (pimaricin). | § 172.160 | Potassium nitrate. | § 172.165 | Quaternary ammonium chloride combination. | § 172.167 | Silver nitrate and hydrogen peroxide solution. | § 172.170 | Sodium nitrate.
— ecfr.gov, retrieved 2026-08-15
Source
- ecfr.govhttps://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B