Ingredient

2,3-Naphthalenediol

✓ EU Allowed

Identification

CAS Number 92-44-4
EINECS / EC 202-156-7
CosIng Ref 41693
Chemical Name naphthalene-2,3-diol
IUPAC Name —
Formula C10H8O2
Mol. Weight 160.17 g/mol
InChIKey JRNGUTKWMSBIBF-UHFFFAOYSA-N

Function & Classification

Primary Function Hair Dyeing
Origin Synthetic

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 II/1213

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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