What is Dichlorodifluoromethane commonly known as?

Freon-11 Freon-12 Freon-22 Freon-13

Freon-12

Dichlorodifluoromethane is a colorless gas usually sold under the brand name Freon-12, and a chlorofluorocarbon halomethane used as a refrigerant and aerosol spray propellant.