Refilling Of Refrigerant Gas R-407C. Critical Temperature: 122.5 Degree Celsius, Boiling Point : -11.97 Degree Celsius, Melting Point: -199 Degree Celsius, Specific Gravity: 1.34 At 30Degree Celsius, Critical Density : 0.56 G/Cm3, Physical State Or Form: Gas Vapour, Purity : 99.5%, Acidity: 0.0001% Critical Pressure 3.613 Mpa, Relative Vapour Density : 4.7, Safety Class: A1, Odourless, Colourless, Conforming To Standard: So: 9001, Quantity In Cylinder - 45 Kgs. [ Warranty Period: 30 Months After The Date Of Delivery ] ]