... . Physical Properties: Molecular Weight86.48Boiling Point, °C-40.82Relative Density(30°C), liquid, g/cm3 1.177Melting Point, °C-160.00Critical ... (ODP)0.045Global Warming Potency(GWP)1700Freezing point 30°C-Specific heat of liquid 30°C , [KJ/(Kg·°C)]0.31Density of ... , (g/cm3 )1.174Specific heat of e quipressure vapor(Cp) , 30°Cand 101.3kPa[KJ/(Kg·°C)]0.16Critical density , g/ ...