CAS Number: 7439-93-2 UN Number: UN1415 Solubility: (20°C) (decomposition) Melting Point: 179°C Molar Mass: 6.94 g/mol Boiling Point: 1347°C Vapor Pressure: 1 hPa (723°C) Density: 0.534 g/cm3 (20°C)