SOLVENT YELLOW 18
✓ EU AllowedIdentification
CAS Number 6407-78-9
EINECS / EC 229-043-5
CosIng Ref 58227
Chemical Name 4-[(2,4-dimethylphenyl)diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one
IUPAC Name —
Formula C18H18N4O
Mol. Weight 306.4 g/mol
InChIKey KLQVCADYSBUVAV-UHFFFAOYSA-N
Function & Classification
Primary Function HAIR DYEING
EU Regulatory Status
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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