CAS Number: 10026-04-7 UN Number: UN1818 Solubility: (20°C) (decomposition) Melting Point: -70°C Molar Mass: 169.90 g/mol Boiling Point: 57°C (1013 hPa) Vapor Pressure: 260 hPa (20°C) Density: 1.48 g/cm3 (20°C) pH: 1 (5 g/l, H2O)