5-AMINO-4-CHLORO-O-CRESOL HCL
Other
Moderate
CAS Number: 110102-85-7
About 5-AMINO-4-CHLORO-O-CRESOL HCL
The hydrochloric acid salt form of 5-amino-4-chloro-o-cresol, explicitly listed in EU Annex III/208 indicating regulatory restrictions for hair dye applications in the European market.
Detailed Analysis
This is the HCl salt of 5-amino-4-chloro-o-cresol, listed in EU Cosmetics Regulation Annex III/208. The salt form improves water solubility which can affect its reactivity profile in oxidative hair dye systems. Annex III listing indicates this compound is permitted for hair dye use only under specified conditions and maximum concentration limits. The hydrochloride salt may increase skin irritation potential compared to the free base form.
Skin Benefits
- ✓ Used as hair dye intermediate for controlled color development
Known Concerns
- ⚠ EU Annex III/208 restriction applies (specific hair dye conditions)
- ⚠ Salt form may increase irritant potential
- ⚠ Skin sensitizer concerns common to aminophenol derivatives
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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