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.We want all of our customers to know we appreciate your business and every cylinder we sale is important to us. Thank you again for allowing us the opportunity to serve you!!! The item "R22 R-22 R 22 Refrigerant 10lb Cylinder (Made in USA) Sealed HVAC" is in sale since Saturday, January 25, 2020. This item is in the category "Business & Industrial\HVAC & Refrigeration\HVAC & Refrigeration Components\Refrigerants\R-22". The seller is "8774lights" and is located in Lenoir, North Carolina. This item can be shipped to United States.