CAS No.: 542-69-8 UN No.: UN1993 Solubility: 0.2 g/l (20°C) Melting Point: -103°C Molar Mass: 184.02 g/mol Boiling Point: 130°C (1013 hPa) Vapor Pressure: 18.5 hPa (25°C) Flash Point: 33°C Refractive Index: 33°C Density: 1.62 g/cm3 (20°C)