Basic Yellow 57
✓ EU AllowedIdentification
CAS Number 68391-31-1
EINECS / EC 269-943-5
CosIng Ref 32085
Chemical Name 3-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride (CI 12719)
Formula C19H22ClN5O
Mol. Weight 371.9 g/mol
Function & Classification
Primary Function Hair Dyeing
Category Colorants & Pigments
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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