LAWSONE
✓ EU AllowedIdentification
CAS Number 83-72-7
EINECS / EC 201-496-3
CosIng Ref 34993
Chemical Name 4-hydroxynaphthalene-1,2-dione
IUPAC Name —
Formula C10H6O3
Mol. Weight 174.15 g/mol
InChIKey WVCHIGAIXREVNS-UHFFFAOYSA-N
Function & Classification
Primary Function HAIR DYEING
EU Regulatory Status
SCCS Opinion View SCCS opinion →
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
Documents