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3-ETHYLAMINO-P-CRESOL SULFATE

CAS 68239-79-2
32

Safety score · 0–100

Caution

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

About

A hair dye intermediate and oxidation coupling agent used in permanent coloring formulations. Carries significant skin sensitization warnings and is regulated under EU Annex III with mandatory concentration limits.

This p-aminophenol sulfate derivative functions as a primary intermediate in oxidative hair dye systems. The EU Cosmetics Regulation (EC) No 1223/2009 Annex III lists it with a maximum concentration of 2.0% (as free base) when used in oxidative hair dye products. Hazard statements include H302 (harmful if swallowed), H315/H317/H319 (skin/eye irritation and sensitization), and H332/H335 (respiratory irritation). Its sensitizing potential means it requires cautionary labelling in finished cosmetic products.

Known concerns

  • Skin sensitizer (H317 - may cause allergic skin reaction)
  • Respiratory sensitizer potential
  • Eye irritation (H319)
  • Acute toxicity by ingestion (H302)

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.