Also Called: Dichlorodifluoromethane; Dichlorodifluoromethane (FC-12);Dichlorodifluoromethane (Cfc-12);Methane, dichlorodifluoro-;CFC-12 (CCl2F2);(CFC‑12);CFC-12;Freon 12;DICHLORODIFLOUROMETHANE;ジクロロジフルオロメタン;CF2CL2 (CFC-12);DICHLORODIFLUOROMETHANE (FC 12);Difluoro dichloromethane;DICHLOR-DIFLUOR-METHAN;dichlórdifluórmetán;二氟二氯甲烷;DICLORODIFLUOROMETANO;ซีเอฟซี-12