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A white crystalline powder used as an Insecticide. Methoxychlor was introduced as an insecticide in 1945. It is in the same chemical family as DDT but it is a more potent insecticide that is effective against most insects and their larvae. Methoxychlor has a long residual effect. It is currently restricted in the U.S. and is not available for use in public buildings.

Synonyms and Related Terms

methoxy DDT; DMDT; 2,2-bis(p-methoxyphenol)-1,1,1-trichloroethane; Chemform; Marlate[DuPont]; Moxie


  • Overexposure causes convulsions and liver and kidney damage.
  • Potential carcinogen.
  • Decomposes when heated to produce toxic fumes of chlorides.
  • Chemical Book: SDS

Physical and Chemical Properties

Soluble in ethanol. Insoluble in water.

Composition Cl3CCH(C6H4OCH3)2
CAS 72-43-5
Melting Point 78-78.2 C
Molecular Weight mol. wt. = 345.65