<Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <P> Bifenthrin is a pyrethroid insecticide used primarily against the red imported fire ant by influencing its nervous system . It has a high toxicity to aquatic organisms . Although it is listed as a restricted use chemical in the United States, it is allowed to be sold for daily use, provided the product sold has a low concentration of bifenthrin . The chemical was discovered and developed by FMC Corporation . Products containing bifenthrin include Transport, Talstar, Maxxthor, Capture, Brigade, Bifenthrine, Ortho Home Defense Max, Bifen XTS, Bifen IT, Bifen L / P, Torant, Zipak, Scotts LawnPro Step 3, Wisdom TC Flowable, FMC 54800, Allectus, Ortho Max Pro and OMS3024 and mega wash from green planet . </P> <P> Bifenthrin is poorly soluble in water and often remains in soil . Its residual half - life in soil is between 7 days and 8 months, depending on the soil type, with a low mobility in most soil types . Bifenthrin has the longest known residual time in soil of insecticides currently on the market . It is a white, waxy solid with a faint sweet smell . It is chemically synthesized in various forms, including powder, granules and pellets . However, it is not naturally occurring . </P>

What is the active ingredient in ortho home defense