Ingredient

2,3-DIMETHYL-4-FORMYL-1-PHENYL-5-PYRAZOLONE

✓ EU Allowed

Identification

CAS Number 950-81-2
EINECS / EC 213-452-0
CosIng Ref 98022
Chemical Name 1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde
IUPAC Name
Formula C12H12N2O2
Mol. Weight 216.24 g/mol
InChIKey QFYZFYDOEJZMDX-UHFFFAOYSA-N

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009

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