... Physical Properties Molecular Weight85.47Normal boiling Point, °C-40.8Critical Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C, [KJ/(kg°C ... is used in reciprocating compressor as refrigerant in air conditioning system in industry, commerce and house. It can also be used ... cylinder 400L, 800L, 926L, 1000L; ISO-Tank. Refrigerant gas R22 with high purity