CAS Number: 67-66-3 UN Number: UN1888 Solubility: 8 g/l (20°C) Melting Point: -63°C Molar Mass: 119.38 g/mol Boiling Point: 61°C (1013 hPa) Vapor Pressure: 211 hPa (20°C) Refractive Index: 1.45 Density: 1.48 g/cm3 (20°C)