Heat of Vaporization bp, BTU/lb. Specific Heat Liquid 70 °F, BTU/lb. Specific Heat Vapor 1 atm, 70 °F, BTU/lb. Ozone Depletion Potential (CFC 11 = 1.0) 0.05.Global Warming Potential (CO2 = 1.0) 1810. This item is in the category "Business & Industrial\HVAC & Refrigeration\HVAC & Refrigeration Components\Refrigerants\R-22". The seller is "8774lights" and is located in this country: US. This item can be shipped to United States.