CAS No.: 7705-08-0 pH: 1 (200 g/l, H2O, 20°C) Solubility: 920 g/l (20°C) Hydrolysis Melting Point: 306°C (decomposition) Molar Mass: 162.20 g/mol Bulk Density: 1000 kg/m3 Vapor Pressure: 1 hPa (20°C) Density: 2.9 g/cm3 (20°C)