CAS Number: 7727-54-0 UN Number: UN1444 Solubility: 620 g/l (20°C) Melting Point: 120°C (decomposition) Molar Mass: 228.19 g/mol Bulk Density: 900 kg/m3 Density: 1.98 g/cm3 (20°C) pH: 3.2 (100 g/l, H2O, 20°C)