1)High Purity 2)Competitive Price 3)Freon Gas 4) ... R22 · PHYSICAL PROPERTIES:Molecular Weight86.48Boiling Point, °C-40.82Relative Density, (30°C), liquid, g/cm31.177Melting Point °C-160. ... 0.31Density of saturated liquid 30°C , (g/cm 3 )1.174Specific heat of e quipressure vapor(Cp) , 30 °C ... and 101.3kPa[KJ/(Kg °C)]0.16Critical density , g/cm 30.526Vaporization heat below boiling point , KJ/Kg233 ...