Ingredient

2,4-Diaminophenol HCL

✓ EU Allowed

Identification

CAS Number 137-09-7
EINECS / EC 205-279-4
CosIng Ref 31475
Chemical Name 2,4-diaminophenol;dihydrochloride
IUPAC Name —
Formula C6H10Cl2N2O
Mol. Weight 197.06 g/mol
InChIKey KQEIJFWAXDQUPR-UHFFFAOYSA-N

Function & Classification

Primary Function Hair Dyeing
Origin Synthetic

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 II/1338

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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