2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]- and its salts, when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 2610-11-9
EINECS / EC 220-028-9
CosIng Ref 31112
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
EU Regulatory Status
SCCS Opinion View SCCS opinion →
Safety Profile
No toxicology data available yet for this ingredient.
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NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
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Usage Level % · Addition Phase · Solubility
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