Uses of Alkyl Halides Solvents degreasers and dry cleaning fluid Reagents for synthesis of other compounds Anesthetic:Halothane is CF3CHCIBr CHCl3 used originally (toxic and carcinogenic)庥醉剂 Freons,chlorofluorocarbons or CFC's Freon 12,CF2Clz,now replaced with Freon 22,CF2CHCI,not as harmful to ozone layer. Pesticides -DDT banned in U.S. Uses of Alkyl Halides ❖Solvents - degreasers and dry cleaning fluid ❖Reagents for synthesis of other compounds ❖Anesthetic: Halothane is CF3CHClBr ❑CHCl3 used originally (toxic and carcinogenic)麻醉剂 ❖Freons, chlorofluorocarbons or CFC’s ❑Freon 12, CF2Cl2 , now replaced with Freon 22, CF2CHCl, not as harmful to ozone layer. ❖Pesticides - DDT banned in U.S