Other
2,4-DIAMINO-5-METHYLPHENETOLE HCL
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
2,4-diamino-5-methylphenetole Hcl is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
2,4-Diamino-5-methylphenetole hydrochloride is an aromatic amine compound used as a hair dye intermediate (a developmental metabolite of p-phenylenediamine derivatives). EU Regulation (EC) No 1223/2009 Annex III entry II/1227 restricts its use in oxidative hair dye formulations, requiring compliance with specific concentration limits and labeling requirements. The hazard classification includes skin sensitization (H317), and the SCCS has assessed its safety in hair dye applications with specific restrictions in force.
Known concerns
- Confirmed skin sensitizer (H317)
- EU Annex III restricted (II/1227)
- Hair dye restrictions apply
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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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.