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SODIUM NITRITE

CAS 7632-00-0 Updated
30

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Inorganic nitrite salt used as corrosion inhibitor. Highly restricted in cosmetics under EU rules because it forms carcinogenic nitrosamines with secondary amines.

Function

ANTICORROSIVE

Skin benefits

  • Corrosion inhibitor at very low %
  • Used in some color-stable formulations

Known concerns

  • Forms carcinogenic nitrosamines with secondary amines
  • EU Annex III restricts to <=0.2% and forbids combination with secondary amines
  • Acutely toxic if ingested
  • IARC class 2A when combined with amines

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.