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Dichlorodiphenyltrichloroethane; a colorless contact insecticide, toxic to humans and animals when swallowed or absorbed through the skin, that has been banned in the United States for most uses since 1972.
Short for dichlorodiphenyltrichloroethane. A powerful insecticide that is also poisonous to humans and animals. It remains active in the environment for many years and has been banned in the United States for most uses since 1972 but is still in use in some countries in which malaria is endemic. Chemical formula: C14H9Cl5.
A colorless insecticide that kills on contact. It is poisonous to humans and animals when swallowed or absorbed through the skin. DDT is an abbreviation for dichlorodiphenyltrichloroethane.
Note: Although DDT, when it was first invented, was considered a great advance in protecting crops from insect damage and in combating diseases spread by insects (such as malaria), discoveries led to its ban in many countries. Residue from DDT has been shown to remain in the ecosystem and the food chain long after its original use, causing harm and even death to animals considered harmless or useful to man.