3-Hydroxy-4-(phenylazo)-2-naphthoic acid and its calcium salt (Pigment Red 64:1; CI 15800) when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 27757-79-5 -- 6371-76-2
EINECS / EC 248-638-0 -- 228-899-7
CosIng Ref 87695
Function & Classification
EU Regulatory Status
Safety Profile
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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