What is the full form of DDT?

What is the full form of DDT?

The full form of DDT is “Dichlorodiphenyltrichloroethane“. DDT is a colorless, tasteless, crystalline and almost odorless organochlorine substance, famous for its insecticidal properties. It is also poisonous to humans and animals. Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. DDT has also been used in the past to treat lice. It is still used outside the United States for the control of mosquitoes that transmit malaria. DDT and its related chemicals persist for a long time in the environment and in animal tissues.

DDT was first synthesized in 1874 by Austrian chemist Othmar Zeidler. The insecticidal action of DDT was discovered by Swiss chemist Paul Hermann Müller in 1939. In October 1945, DDT was available for public sale in the United States. Müller received the Nobel Prize in Physiology or Medicine in 1948 “for his discovery of the high efficiency of DDT as a contact poison against several arthropods.” The United States banned the use of DDT in 1972. In the 1970s and 1980s, agricultural use was banned in most developed countries. India is the only country that still manufactures DDT and is the largest consumer. In many parts of India, DDT is not effective. Agricultural uses were banned in 1989 and their antimalarial use is declining, Urban usage ended.

The molecular formula of DDT is C14H9Cl. It is produced artificially by the reaction of chloral (CCl3CHO) with chlorobenzene (C6H5Cl) in the presence of the sulfuric acid catalyst (H2SO4). It is highly hydrophobic and not soluble in water, but is soluble in most organic solvents such as oils, and fats.

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