CAS Number: 1314-56-3 UN Number: UN1807 Solubility: 850 g/l (20°C) Risk of violent reaction. Melting Point: 562°C (closed capillary tube) Molar Mass: 141.95 g/mol Bulk Density: 700 kg/m3 Vapor Pressure: Density: 2.30 g/cm3 (20°C) pH: 1 (5 g/l, H2O, 20°C)