Formula: PbCO3 Grade: ACS CAS No.: 598-63-0 pH: 5.8 (50 g/l, H2O, 20°C) (slurry) Solubility: (20°C) practically insoluble Melting Point: 315°C (decomposition) Molar Mass: 267.21 g/mol Bulk Density: 1300 kg/m3 Density: 6.6 g/cm3 (20°C) Hill Formula: CO3Pb