... , 2.purity:99.8%, 3.first service. Product:Refrigerant gas R22 Physical Properties Molecular Weight85.47Normal boiling Point, °C-40.8Critical ... chemical property.Usage:It is used in reciprocating compressor as refrigerant in air conditioning system in industry, commerce and house. It can ... /22.7kg; Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank. refrigerant R22 with 99.8% purity