Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
⚠ EU RestrictedIdentification
CAS Number 2611-82-7
EINECS / EC 220-036-2
CosIng Ref 30425
Chemical Name trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
IUPAC Name —
Formula C20H11N2Na3O10S3
Mol. Weight 604.5 g/mol
InChIKey SWGJCIMEBVHMTA-UHFFFAOYSA-K
Function & Classification
EU Regulatory Status
Conditions of Use Purity criteria as set out in Commission Directive 95/45/EC (E 124)
SCCS Opinion View SCCS opinion →
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
Log in to see suppliers.
Log in or register to see suppliers and documents for Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments.
Documents