CAS Number: 67-56-1 UN Number: UN1230 Solubility: (20°C) soluble Melting Point: -98°C Molar Mass: 32.04 g/mol Boiling Point: 64.5°C (1013 hPa) Vapor Pressure: 128 hPa (20°C) Flash Point: 10°C Refractive Index: 1.33 Explosion Limit: 5.5 - 44 %(V) …