CAS: 5460-09-3 Molecular Formula: C10H8NNaO7S2 Molecular Weight (g/mol): 341.28 InChI Key: QPILZZVXGUNELN-UHFFFAOYSA-M Synonym: h acid sodium,1-amino-8-naphthol-3,6-disulfonic acid monosodiumsalt,4-amino-5-hydroxynaphthalene-2,7-disulfonic acid 2-sodium salt PubChem CID: 102116466 IUPAC Name: sodium;8-amino-3,6-disulfonaphthalen-1-olate SMILES: C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)N)[O-])S(=O)(=O)O.[Na+]