CAS No.: 105-68-0 UN No.: UN3272 Melting Point: -73°C Molar Mass: 144.21 g/mol Boiling Point: 160°C Flash Point: 46°C Refractive Index: 46°C Explosion Limit: 1 %(V) Density: 0.869 g/cm3 (20°C) Ignition Point: 370°C