Molecular weight 102.03 Boiling point, -26.1 Critical temperature, 101.1 Critical pressure, mpa 4.05 Specific heat of liquid, 30 1.51 Solubility(water 0.15 Odp 0 Gwp 0.13 Purity, % Moisture, ppm Acidity, ppm Vapor residue, ppm Appearance Colorless, no turbid Odor No strange stench. Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; disposable cylinder 30lb/13.6kg, 50lb/22.7kg; recyclable cylinder 400l, 800l, 926l, 1000l; iso-tank.