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Product:
  Cypermethrin
C.A.S:
  52315-07-8
Assay:
  94%,10% EC
Package:
  As per spec
Usage:
  Cypermethrin is a highly active pyrethroid insecticide.It controls a wide range of insect pests on a varity of crops by stomach and contact action at low dosages of 50-70g a.i./ha,stable to heat. Cypermethrin is efficacy better than permethrin,long efficacity.It is potent against pests of fastness to organ-phosphorus insecticides.It is used to against flies that efficacy is 4 weeks.
Description:
  Cypermethrin acts as a stomach and contact insecticide. It has wide uses in cotton, cereals, vegetables and fruit, for food storage, in public health and in animal husbandry. Its structure is based on pyrethrum, a natural insecticide which is contained in chrysanthemum flowers, but it has a higher biological activity and is more stable than its natural model. It was synthesised in 1974 and first marketed in 1977, by Shell (which has since sold their pesticide business to American Cyanamid. In 1988, pyrethroids amounted to 40% of the sales for insecticides for cotton treatment in the world (cypermethrin 8%)(2), and cypermethrin is one of the most important insecticides for cereals and vegetables in the UK. There has been a dramatic increase in the use of cypermethrin for arable crops in the UK: from approximately 216,000 ha in 1988 to 1,582,000 ha sprayed in 1992, falling back to 863,000 ha in 1994(3). It is also used for impregnation of mosquito bed nets to prevent malaria, and extensively for indoor pests. As many patents for pyrethroids expire between 1993 and 1996, the market looks set to open up dramatically(4).

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