Sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments
⚠ EU RestrictedIdentification
CAS Number 1248-18-6
EINECS / EC 214-998-2
CosIng Ref 30414
Chemical Name sodium 2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
IUPAC Name —
Formula C20H13N2NaO4S
Mol. Weight 400.4 g/mol
SMILES C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)[O-])O.[Na+]
InChIKey VVNRQZDDMYBBJY-UHFFFAOYSA-M
Function & Classification
EU Regulatory Status
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