... 4.DOT, CE certification provided R134a Refrigerant Gas used in auto air-conditionerProperty of chloride : Molecular Weight 102.03 Boiling ... Appearance Colorless, No turbid Odor No Strange Stench Packing: Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, ... cylinder 400L, 800L, 926L, 1000L; ISO-Tank. Application: Refrigerant for CFC-12 substitute. R22 R134a Refrigerant Gas used in auto air-conditioner