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Chlorophenothane --> dichlorodiphenyltrichloroethane

1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane;an insecticide that came into prominence during and after world war II. For a time it proved very effective, but insect populations rapidly developed tolerance for it, hence much of its original effectiveness has been lost; general usage is now widely discouraged because of the toxicity that results from the environmental persistence of this agent.

Synonym: chlorophenothane, dicophane.

Acronym: ddt