Disodium 6-hydroxy-5-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
⚠ EU RestrictedIdentification
CAS Number 2783-94-0
EINECS / EC 220-491-7
CosIng Ref 30421
Chemical Name disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
IUPAC Name —
Formula C16H10N2Na2O7S2
Mol. Weight 452.4 g/mol
InChIKey OIQPTROHQCGFEF-UHFFFAOYSA-L
Function & Classification
EU Regulatory Status
Conditions of Use Purity criteria as set out in Commission Directive 95/45/EC (E 110)
Safety Profile
No toxicology data available yet for this ingredient.
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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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