... .difluorochloromethane, 2. in good quality and reasonable price, 3.purity:99.8%. Product:Refrigerant gas R22 Physical Properties Molecular Weight85.47Normal ... chatacteristics of nontoxicity, odourlessness, incombustibility, non-explosiveness and good heat stability and stable chemical property.Usage:It is used in ... cylinder 400L, 800L, 926L, 1000L; ISO-Tank. Refrigerant gas R22 with high purity