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氯丹(chlordane)和七氯(Heptachtor)是环戊二烯系高氯化物农药,杀虫效果相当于同是有机氯类的DDT、六六六。生产DDT和六六六,要消耗大量的苯作原料。而生产氯丹、七氯,则不用苯,可用高温炼焦中副产物煤焦油或石油废气中五个碳原子的化合物。应用氯丹和七氯来代替一部分DDT、六六六防治害虫,可为国家节约大量的苯,以支援其他工作。因此研究、生产和使用氯丹、七氯,不论在防治技术上及国民经济上都有一定的意义。 氯丹的学名为:八氯化甲桥茚,1,2,3,4,5,6,7,8,8——八氯,——2,3,3a,4,7,7a——六氯化化——4,7——甲撑茚。七氯则为:1,4,5,6,7,8,8
Chlordane and Heptachtor are cyclopentene-based high-chloride pesticides with the same insecticidal effect as DDT, which is also an organochlorine. DDT and six six production, to consume a large amount of benzene for raw materials. The production of chlordane, heptachlor, you do not have benzene, high temperature coke can be used by-product of coal tar or petroleum gas five carbon atoms in the compound. The use of chlordane and heptachlor to replace part of DDT and the prevention and control of pests by 2006 will save substantial amounts of benzene for the country in support of other tasks. Therefore, research, production and use of chlordane and heptachlor have certain meanings both in terms of prevention and treatment technology and national economy. The names of chlordane are: metformin octachloride, 1,2,3,4,5,6,7,8,8-octachloro-2,3,3a, 4,7,7a- - Hexachloride - 4,7 - phenylene indene. Heptachlor is: 1,4,5,6,7,8,8