2,2-双(对氯苯基)-1,1-二氯乙烷 Dichlorodiphenyldichloroethane
（重定向自Rhothane）
2,2-双(对氯苯基)-1,1-二氯乙烷（DDD）是DDT主要代谢产物之一。
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- urethane n. [化]尿烷
- ethane n. 【化】乙烷
- Rhodesian n. 罗得西亚(前南非一地区)人 adj. 罗得西亚(前南非一地区)人
- rhodonite n. 蔷薇辉石
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Dichlorodiphenyldichloroethane 2,2-双(对氯苯基)-1,1-二氯乙烷
（重定向自Rhothane）
Dichlorodiphenyldichloroethane (DDD) is an organochlorine insecticide that is slightly irritating to the skin. DDD is a metabolite of DDT. DDD is colorless and crystalline; it is closely related chemically and is similar in properties to DDT, but it is considered to be less toxic to animals than DDT. The molecular formula for DDD is (ClC6H4)2CHCHCl2 or C14H10Cl4, whereas the formula for DDT is (ClC6H4)2CHCCl3 or C14H9Cl5.
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