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Diarsenic pentaoxide

CAS 1303-28-2
3

Safety score · 0–100

Avoid

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

About

Diarsenic Pentaoxide is a cosmetic ingredient. Exercise caution due to limited available safety data.

Diarsenic pentaoxide (arsenic pentoxide) is an inorganic arsenic compound with multiple severe hazard classifications including acute toxicity (H300, H301, H331), carcinogenicity (H350), reproductive toxicity (H360), and specific organ toxicity (H370, H372). It is listed in EU REACH Annex XVII restrictions and is definitively prohibited in cosmetic products. Arsenic compounds are banned from cosmetic use under Cosmetics Regulation 1223/2009.

Known concerns

  • Confirmed carcinogen (H350)
  • Acute toxicity (H300, H301, H331)
  • Reproductive toxicity (H360)
  • Specific organ toxicity (H370, H372)
  • Banned from cosmetic products

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.