CI 16255
✓ EU AllowedIdentification
CAS Number 2611-82-7
EINECS / EC 220-036-2
CosIng Ref 32728
Chemical Name Trisodium1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate,
Formula C20H11N2Na3O10S3
Mol. Weight 604.5 g/mol
Function & Classification
Primary Function Cosmetic Colorant
Secondary Functions HAIR DYEING
Origin Synthetic
EU Regulatory Status
SCCS Opinion View SCCS opinion →
Safety Profile
No toxicology data available yet for this ingredient.
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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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