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