Ingredient

1-Naphthol

✓ EU Allowed

Identification

CAS Number 90-15-3
EINECS / EC 201-969-4
CosIng Ref 31470
Chemical Name naphthalen-1-ol
IUPAC Name —
Formula C10H8O
Mol. Weight 144.17 g/mol
InChIKey KJCVRFUGPWSIIH-UHFFFAOYSA-N

Function & Classification

Primary Function Hair Dyeing
Origin Synthetic

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 III/16

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