... .Certifications of SGS/ROSH/PONY/ISO9001/ISO14001/ISO16949 R22 Product:chlorodifluoromethane R22 Property of refrigerant r22: Molecular Weight85.47Boiling Point, °C-40.8Critical ... ,1000kg/1000L,950kg/926L Quality standard : Purity, %≤99.99Moisture, PPm≤10Acidity, PPm≤0.1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench R22 New Refrigerant Gas with High Purity for Sale