CAS Number: 1305-78-8 UN Number: UN1910 Solubility: 1.65 g/l (20°C) Risk of violent reaction. Melting Point: 2580°C Molar Mass: 56.07 g/mol Bulk Density: 800 - 1200 kg/m3 Boiling Point: 2850°C Density: 3.37 g/cm3 (20°C) pH: 12.6 (H2O, 20°C) (saturated solution)