Ingredient
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PYROCATECHOL

⚠ EU Restricted

Identification

CAS Number 120-80-9
CosIng Ref 58785
Chemical Name benzene-1,2-diol
IUPAC Name —
Formula C6H6O2
Mol. Weight 110.11 g/mol
InChIKey YCIMNLLNPGFGHC-UHFFFAOYSA-N

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II/408

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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Documents

External Resources

EU CosIng →