Sodium 4-[(2E)-2-(2-oxo-1(2H)-naphthalenylidene)hydrazino]benzenesulfonate
[CAS# 75025-97-7]

Identification

• Name: Sodium 4-[(2E)-2-(2-oxo-1(2H)-naphthalenylidene)hydrazino]benzenesulfonate
• Synonyms: 11550 Orange; 1-p-Sulfophenylazo-2-naphthol, monosodium salt; 2-Naphthol Orange II
• Molecular Formula: C₁₆H₁₁N₂NaO₄S
• Molecular Weight: 350.32
• CAS Registry Number: 75025-97-7
• SMILES: [Na+].[O-]S(=O)(=O)c1ccc(cc1)N/N=C2\c3ccccc3\C=C/C2=O
• InChI: 1S/C16H12N2O4S.Na/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22;/h1-10,17H,(H,20,21,22);/q;+1/p-1/b18-16+
• InChIKey: IGQFKZCLTLAWLO-HYNBPGMHSA-M