Ingredient

DIHYDROXYINDOLINE HBR

⚠ EU Restricted

Identification

CAS Number 138937-28-7
EINECS / EC 421-170-6
CosIng Ref 55797
Chemical Name 2,3-dihydro-1H-indole-5,6-diol;hydrobromide
IUPAC Name
Formula C8H10BrNO2
Mol. Weight 232.07 g/mol
SMILES C1CNC2=CC(=C(C=C21)O)O.Br
InChIKey TXMQOPNBBITFNX-UHFFFAOYSA-N

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 III/204

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