Ingredient

Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate and aluminium lake (see note 17). CI 19140

⚠ EU Restricted

Identification

CAS Number 1934-21-0 - 12225-21-7
EINECS / EC 217-699-5 - 235-428-9
CosIng Ref 87676
Chemical Name Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate and aluminium lake; CI 19140

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 III
Max Leave-on 0.5%

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

Suppliers & Documents

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Documents

External Resources