自秋转达对 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))麻醉剂 >In 1847,the Edinburgh obstetrician James Young Simpson first used chloroform for general anesthesia during childbirth Freons,chlorofluorocarbons or CFC's Freon 12,CF2Cl2,now replaced with Freon 22,CF2CHCI, not as harmful to ozone layer. Pesticides-DDT banned in U.S. eextremely toxic to insects but not as toxic to mammalsUses 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 ➢In 1847, the Edinburgh obstetrician James Young Simpson first used chloroform for general anesthesia during childbirth ◼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. ⚫extremely toxic to insects but not as toxic to mammals