It will become a colorless and transparent liquid in its own pressure .Non-toxic,non-combustible, good heat stability ,chemical stability, non-corrosive metal. It is a low-temperature refrigerant. Packing Disposable cylinder 50lb/22.7kg 30lb/13.6lb Storage and shipping Storage should be away from fire, heat and avoid direct sunlight, it usually put in a cool, dry and ventilated place .In case the cylinder,valves and other accessories are damaged ,it should be handled with care .