... weight116.95Critical Pressure, MPa4.25Boiling Point (1 atm), °C32.05Critical Density, g/cm30.433Freezing Point (1 atm), °C-103.5Latent Heat ... of Vaporization at bp, KJ/kg223.0Density of liquid at 25 °C, g/cm31.227Conductivity ... , Vapor(1 atm, 25 °C), mw/mk8.3Vapour of Density (Air=1)4.1Solubility in Water at 25 °C, w% ...