| Section2 = | Section3 = | SPhrases =, | FlashPt = | Autoignition = }} }} Dichlorodifluoromethane (R-12), usually sold under the brand name Freon-12, is a chlorofluorocarbon halomethane, commonly known as CFC, used as a refrigerant and aerosol spray propellant until its manufacture was banned in the United States and many countries in 1994 due to concerns about damage to the ozone layer. It is soluble in many organic solvents. Physical properties Property Value Density (ρ) at -29… (More on Dichlorodifluoromethane)