Formula: (HONH3)2SO4 CAS No.: 10039-54-0 pH: 3.6 (10 g/l, H2O, 20°C) Solubility: 587 g/l (20°C) Melting Point: 170°C (decomposition) Molar Mass: 164.14 g/mol Bulk Density: 1100 kg/m3 Density: 1.88 g/cm3 (20°C) Hill Formula: H8N2O6S