Refrigerant gas r22. COLORLESS AND CLEAR,ODORLESS HIGH PURITY EXCELLENT ... clear ,Odor Odorless Application Chlorodifluoromethane (HCFC-22),a colorless gas at room temperature,is a colorless ,non - toxic, ... and no corrosivity to metals. Its main applications include refrigerant(-80°Cgrade),raw material for PTFE production and intermediate ... 400L,800L,926L,1000LISO-TANK 6.8kg/16lb Pure Gas Refrigerant R22