... good quality and reasonable price, 3.purity:99.8%. Product:Refrigerant gas R22 Physical Properties Molecular Weight85.47Normal boiling Point, °C ... chemical property.Usage:It is used in reciprocating compressor as refrigerant in air conditioning system in industry, commerce and house. It ... /22.7kg; Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank. Refrigerant gas R22 with high purity