UN Number: UN3286 Solubility: (20°C) soluble Melting Point: -98°C Boiling Point: 65°C (1013 hPa) Vapor Pressure: 127 hPa (20°C) Flash Point: 15°C Explosion Limit: 5.1 - 44 %(V) Density: 0.93 g/cm3 (20°C) Ignition Point: 455°C pH: 12 (H2O, 20°C) (undiluted)