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Phenylhydrazinium sulphate (2:1)

CAS 52033-74-6
12

Safety score · 0–100

Avoid

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

About

Phenylhydrazinium sulphate (2:1) is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Phenylhydrazinium Sulphate (2:1) is the硫酸 salt of phenylhydrazine, carrying the Danger signal word and hazard statements H300, H301, H310, H311, H315, H317, H319, H331, H341, H350, H372, H400. The H350 classification for carcinogenicity is the most significant concern under EU cosmetics regulation, as substances classified as Category 1B carcinogens under CLP are typically restricted or prohibited in cosmetic products. Phenylhydrazine derivatives have been associated with tumor development in animal studies. The H341 for mutagenicity further compounds concerns.

Known concerns

  • Carcinogenicity (H350) - EU CMR substance Category 1B concern
  • Mutagenicity (H341)
  • Acute oral, dermal, and inhalation toxicity (H300, H301, H310, H311, H331)
  • Skin sensitizer (H315, H317)
  • Serious eye damage (H319)
  • Organ toxicity through prolonged exposure (H372)
  • Very toxic to aquatic life (H400)

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.