O-AMINOPHENOL SULFATE

Other

25

Avoid

CAS Number: 67845-79-8

About O-AMINOPHENOL SULFATE

The sulfate salt of o-aminophenol with similar restrictions under EU Annex III as a hair dye precursor with sensitization and carcinogenic concerns.

Detailed Analysis

O-aminophenol sulfate is listed in EU Annex III of Regulation 1223/2009 (entry III/240), restricting its use in oxidative hair dye products. The sulfate salt releases o-aminophenol upon application, inheriting the same safety concerns including skin sensitization and the potential for forming carcinogenic aromatic amine oxidation products during the hair dyeing process.

Known Concerns

  • ⚠ EU Annex III restricted for oxidative hair dye use
  • ⚠ Skin sensitizer
  • ⚠ Potential carcinogenic aromatic amine formation on oxidation

Safety Score

25

Avoid

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.