Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalenesulphonate
⚠ EU RestrictedIdentification
CAS Number 3567-69-9
EINECS / EC 222-657-4
CosIng Ref 30406
Chemical Name disodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
IUPAC Name —
Formula C20H12N2Na2O7S2
Mol. Weight 502.4 g/mol
SMILES C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]
InChIKey YSVBPNGJESBVRM-UHFFFAOYSA-L
Function & Classification
EU Regulatory Status
Conditions of Use Purity criteria as set out in Commission Directive 95/45/EC (E 122)
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
No verified suppliers listed for this ingredient yet.
Are you a supplier of Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalenesulphonate? Register as a supplier to add your listing and upload TDS & SDS documents.
Documents