Ingredient

CI 16255

✓ EU Allowed

Identification

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

🇪🇺
✓ Allowed — EU Reg. 1223/2009 IV/35 (CI 16255) III/192 (Acid Red 18; Acid Red 18 Aluminum Lake)

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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Documents

External Resources