KnowraDichlorodifluoromethaneLinked fromLinked fromThe 2 pages that link to Dichlorodifluoromethane, each with the reason it gives.All 2Broader topic 2ChlorofluorocarbonBroader topic: R-12 was a major CFC refrigerant in household and automotive cooling.FluorocarbonBroader topic: R-12 exemplifies the refrigeration utility and ozone consequences of an early CFC.