... and reasonable price, 3.purity:99.8%. Product:Refrigerant gas R22 Physical Properties Molecular Weight85.47Normal boiling Point, °C- ... Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0.31Ozone Depletion Potential(ODP)0 ... 034Global Warming Potential(GWP)1700Density(kg/m3), Sat. Liquid @ 30 °C 1177Safety data:It has the chatacteristics of nontoxicity, odourlessness ...