Pyriproxyfen

Pyriproxyfen

CAT N°: 21872
Price:

55.00 46.75

Pyriproxyfen is a pyridine insecticide that mimics juvenile growth hormone, which prevents larvae from developing into reproduction-capable adults. The LD50 of pyriproxyfen in rats is >5,000 mg/kg, >1,300 mg/cubic meter/4 hours, and >2,000 mg/kg through oral, inhalation, or percutaneous dosing, respectively.{34241} It is used as a larvicide in the drinking water of 11 municipalities in Brazil and rumors suggested it may be correlated with the increase in cases of microcephaly in Brazil.{34234} The acceptable daily intake determined by the World Health Organization is 0.3 mg/L.{34240} The prevalence of microcephaly in Brazil is not higher in municipalities that use pyriproxyfen in the water supply, compared with municipalities that use the larvicide Bti.{34234} In addition, in zebrafish, even very high doses (0.1 µg/ml, compared with 0.01 µg/ml used in practice for pest control) pyriproxyfen does not induce microcephaly or other brain malformations.{34235} Formulations containing pyriproxyfen are used for flea control in dogs and as an insecticide for ants.{34236,34239}

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