Sodium 4-[(2-Hydroxy-1-naphthyl)azo]naphthalenesulphonate
⚠ EU RestrictedIdentification
CAS Number 1658-56-6
EINECS / EC 216-760-3
CosIng Ref 30413
Chemical Name sodium 4-[(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=CC=C(C4=CC=CC=C43)S(=O)(=O)[O-])O.[Na+]
InChIKey LGZQSRCLLIPAEE-UHFFFAOYSA-M
Function & Classification
EU Regulatory Status
Safety Profile
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NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
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Usage Level % · Addition Phase · Solubility
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