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Hair dye precursor

1-Methyl-2,6-bis-(2-hydroxyethylamino)-benzene

CAS 149330-25-6;
18

Safety score · 0–100

Avoid

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

A substituted phenylenediamine used historically as a hair dye intermediate. Without a positive SCCS opinion it is prohibited in EU hair dyes due to sensitisation and genotoxicity concerns.

Skin benefits

  • Historically explored as an oxidative hair dye intermediate
  • Listed only for transparency under EU hair-dye restriction regime

Known concerns

  • Aromatic diamine hair dye precursor with strong skin sensitisation potential
  • Phenylenediamine-class compounds are restricted or banned in EU Annex II/III
  • Possible mutagenicity and contact dermatitis reported in related compounds
  • Without a positive SCCS opinion the substance is prohibited in EU hair dyes

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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N,N-DIETHYLTOLUENE-2,5-DIAMINE HCL
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N,N-DIETHYL-P-PHENYLENEDIAMINE SULFATE
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P-AMINOPHENOL HCL
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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.