Formula: HgSO4 CAS No.: 7783-35-9 pH: 1 (50 g/l, H2O, 20°C) Solubility: (20°C) (decomposition) Molar Mass: 296.65 g/mol Bulk Density: 670 kg/m3 Density: 6.47 g/cm3 (20°C) Ignition Point: >450°C Hill Formula: HgO4S