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Hydrogen cyanide and its salts

CAS 74-90-8
3

Safety score · 0–100

Avoid

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

About

Hydrogen Cyanide And Its Salts is a cosmetic ingredient. Exercise caution due to limited available safety data.

Hydrogen cyanide (HCN) and its salts are classified as Category 1 acute toxins under CLP regulation with H300, H310, H330 (fatal if swallowed, in contact with skin, or inhaled). The substance carries H224 (extremely flammable) and H370 (organ damage). Under EU Annex II, hydrogen cyanide and its compounds are absolutely prohibited in cosmetic products. There is no safe use level for this substance in cosmetics.

Known concerns

  • Category 1 acute toxin (H300, H310, H330)
  • Extremely flammable (H224)
  • Acute inhalation toxicity (H330)
  • EU Annex II absolutely prohibited
  • Potential for organ damage (H370)

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.