Malathion

Nomenclature

Common name:Malathion (BSI, E-ISO, (m) F-ISO, ESA, BAN); maldison (Australia, New Zealand);malathon (JMAF); mercaptothion (South Africa); carbofos (USSR); no name(Germany); mercaptotion (Argentina)
IUPAC name: Diethyl(dimethoxythiophosphorylthio)succinate; S-1, 2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate
Chemical abstracts name: Diethyl[(dimethoxyphosphinothioyl)thio]butanedioate
CAS RN: [121-75-5]
EEC no.: 204-497-7

Applications

Biochemistry: It is a cholinesterase inhibitor; proinsecticide, activated by metabolicoxidative desulfuration to the corresponding oxon.
Mode of action: Malathion is a non-systemicinsecticide and acaricide with contact, stomach, and respiratory action.
Uses: Malathion is used to control Coleoptera, Diptera,Hemiptera, Hymenoptera and Lepidoptera in a wide range of crops, includingcotton, pome, soft and stone fruit, potatoes, rice and vegetables. It isextensively used to control major arthropod disease vectors (Culicidae) inpublic health programs, ectoparasites (Diptera, Acari, Mallophaga) of cattle,poultry, dogs and cats, human head and body lice (Anoplura), household insects(Diptera, Orthoptera), and for the protection of stored grain. Typicalapplication rates for agricultural uses 0.5-1.25 kg/ha.
Phytotoxicity: Non-phytotoxic ingeneral, if used as recommended, but glasshouse cucurbits and beans, certainornamentals, and some varieties of apple, pear, and grape may be injured.
Formulation types: DP; EC; EW; UL;WP.

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