Dichlorodiphenyldichloroethane

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What Wikipedia says

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.

Excerpt from the Wikipedia article “Dichlorodiphenyldichloroethane”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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