Terallethrin is particularly effective when used as thermal fumigation to control mosquitoes, and its knockdown activity against housefly and Culex pipiens is higher than that of allethrin and natural pyrethrins.
The industrial product is a light yellow oily liquid with a vapor pressure of 2.7×10-2Pa (20℃), insoluble in water and soluble in various organic solvents. It is unstable under sunlight and easily decomposed in alkali. Toxicity: The acute oral LD50 of rats is 174-224 mg/kg.
Terallethrin is particularly effective when used as thermal fumigation to control mosquitoes, and its knockdown activity against housefly and Culex pipiens is higher than that of allethrin and natural pyrethrins. The knockdown activity against German cockroach is also better than that of allethrin.