Ingredient

DIRECT RED 81

⚠ EU Restricted

Identification

CAS Number 2610-11-9
EINECS / EC 220-028-9
CosIng Ref 33568
Chemical Name disodium;7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate
IUPAC Name
Formula C29H19N5Na2O8S2
Mol. Weight 675.6 g/mol
InChIKey UFUQRRYHIHJMPB-UHFFFAOYSA-L

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II/1267

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

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Documents

External Resources