General Information:

An insecticide and acaricide used to control a range of pests especially those with resistance to organochlorine, organophosphate and carbamate insecticides. A molecule with 2 chiral centres, fenvalerate is a mixture of four optical isomers which have different insecticidal activities. The 2-S alpha (or SS) configuration is the most insecticidally active isomer.

EPA/USP Method

USP Method 561: Determination of pesticides in articles of botanical origin by gas chromatography. Many botanicals are treated as dietary supplements and are subject to statutory provisions that govern foods, EPA Method EPA Method 1660 is applicable to the determination of pyrethrins and pyrethroids in municipal and industrial wastewater by extraction and high-performance liquid chromatography (HPLC) with an ultra-violet detector (UV). Separation and measurement of the pyrethrins and pyrethroids is performed by reverse-phase Cl8 column HPLC with a multiple-wavelength UV detector.