... clear ,Odor Odorless Application Chlorodifluoromethane (HCFC-22),a colorless gas at room temperature,is a colorless ,non - toxic,non-flammable and ... applications include refrigerant(-80°Cgrade),raw material for PTFE production and intermediate for Halon 1211 production.Packing Disposable cylinder:13 ... 50lbs)Refillable cylinder:400L,800L,926L,1000LISO-TANK R22 Gas for sale 13.6kg(30lbs), 22.7kg(50lbs)