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General Information
  • Cypermethrin is a pyrethroid insecticide. It was first synthesized in 1974
  • Cypermethrin acts as a stomach and contact insecticide.
  • Cypermethrin is classified by the World Health Organisation (WHO) as 'moderately hazardous'
  • Cypermethrin is a synthetic chemical similar to the pyrethrins in pyrethrum extract (whichcomes fromthe chrysanthemum plant). Pyrethroids, including cypermethrin were designed to be effective longer than pyrethrins


  • Cypermethrin may be formulated as an emulsifiable concentrate, ULV, and wettable powder formulations.
  • Technical cypermethrin is a mixture of eight different isomers, each of which may have its own chemical and biological properties.
  • The biodegradation of Cypermethrin (20 to 125 mg/L) in an effluent using batch activated sludge process.
  • The ability of five bacterial isolates (Pseudomonas aeruginosa, Klebsiella Sp., Escherichia coli, Bacillus Sp. and Corynebacterium) isolated from Brinjal cultivated field to degrade cypermethrin.
  • A rapid and environmentally friendly methodology was developed for the extraction of pyrethroid insecticides from semi permeable membrane devices (SPMDs), in which they were preconcentrated in gas phase.


  • The fresh water field crab, Spiralothelphusa hydrodroma is an important human food source in parts of South In d ia and the crab is cons tantly exposed to pes ticides, which are used extens ively to control agricultural pests.
  • Soil from local beech-forest, spruce-forest and an industrial area was taken. Control- and test-microcosms containing 150 ml soil were spiked with cypermethrin 0,4 mg/ml soil. Cypermethrin residues were extracted.


  • The residues of the pyrethroid insecticide cypermethrin in the milk of a lactating dairy cow was detected and quantitated and the extracts obtained were analyzed by gas chromatography–ion trap mass spectrometry technique.
  • The toxic effects of cypermethrin pesticide in fish was analysis by High Performance Liquid Chromatography (HPLC). Cypermethrin is induced in fish body than functioning of all organs of fish body is delay finally dead and it is dependent upon nature and concentration of pesticide.

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