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Pyrocatechol (Catechol)

CAS 120-80-9
22

Safety score · 0–100

Caution

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

About

Pyrocatechol (catechol) is a cosmetic ingredient. Exercise caution due to limited available safety data.

Pyrocatechol (CAS 120-80-9) is classified as a skin sensitizer (H317), causes serious eye irritation (H319), and is suspected of causing genetic defects (H341) under CLP Regulation. EU Annex III to Regulation 1223/2009 prohibits its use in cosmetic products at concentrations equal to or greater than 0.1% as a constituent of other substances or mixtures. It has been associated with dermal sensitization and has been reviewed for carcinogenic potential.

Known concerns

  • Banned above 0.1% in EU cosmetics
  • Confirmed skin sensitizer (H317)
  • Suspected genetic toxicity (H341)
  • Eye irritation hazard (H319)

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.