Physical State: Liquid Appearance: colorless Vapor Pressure: 135 hPa @ 20 C Vapor Density: 2.5 Viscosity: 0.6 mPas 20 deg C Boiling Point: 64 deg C @ 760.00mm Hg Freezing/Melting Point:-85 deg C Solubility: Miscible. Specific Gravity/Density:.7360g/cm3