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Aminophenol hair dye intermediate

Phenol, 2-Amino- 5-Ethyl-, Hydrochloride

28

Safety score · 0–100

Caution

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

2-Amino-5-ethylphenol hydrochloride is an aminophenol used as a hair dye coupler. Its class is associated with skin sensitization and genotoxicity concerns, and several close relatives are restricted in EU cosmetics.

Skin benefits

  • Historically explored as a hair dye intermediate
  • Can contribute color development when reacted with primary dye precursors

Known concerns

  • Aminophenols are common skin sensitizers and contact allergens
  • Several ethyl- and methyl-aminophenols are restricted or banned in EU cosmetics
  • Potential mutagenicity flagged for aminophenol derivatives
  • Hydrochloride salts can sting on broken skin

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, so always read the physical product label and consult a healthcare professional for personal concerns.