Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17).
⚠ EU RestrictedIdentification
CAS Number 2611-82-7 - 12227-64-4
EINECS / EC 220-036-2 - 235-438-3
CosIng Ref 87673
Chemical Name Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255)
Function & Classification
Primary Function HAIR DYEING
EU Regulatory Status
Max Leave-on 0.5%
SCCS Opinion View SCCS opinion →
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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