Our product R22 has good quality . refrigerant R22 Property of chloride :Molecular Weight85.47Boiling Point, °C-40.8Critical Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0.31ODP0.034GWP0.17 Quality standard :Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench refrigerant R22