CAS: 14528-64-4 Molecular Formula: C6H3K2NO7S Molecular Weight (g/mol): 311.35 Synonym: Dipotassium 2-hydroxy-5-nitrophenyl Sulfate,Dipotassium Nitrocatechol Sulfate,N493753 IUPAC Name: dipotassium;(5-nitro-2-oxidophenyl) sulfate SMILES: [K+].[K+].[O-]c1ccc(cc1OS(=O)(=O)[O-])[N+](=O)[O-]