CAS No.: 106-27-4 UN No.: UN2620 Solubility: 0.5 g/l (50°C) Melting Point: -73°C Molar Mass: 158.24 g/mol Boiling Point: 178°C Vapor Pressure: 1.1 hPa (20°C) Flash Point: 59°C Refractive Index: 59°C Density: 0.88 g/cm3 (20°C)