Insecticide Tetramethrin Mosquito 95%Tc Control Mosquitoes Flies Cockroaches

Tetramethrin is widely used potent synthetic Insecticide in the pyrethroid family.It is white crystalline solid. The commercial product is a mixture of stereoisomers.It is commonly used as an insecticide, and affects the insect’s nervous system. It can be found in many Household Insecticide products.The empirical formula is C19H25NO4; molecular weight is 331.4. Its form is a colorless crystal; its specific gravity is 1.1 at 20°C; its vapor pressure is 0.944 mPa at 30°C; log Kow = 4.6. It is less soluble (1.83 mg/l) in water at 25°C, but it is soluble in most organic solvents. It is unstable in strong acid and alkaline medium.

Application

Its knockdown speed to mosquitoes, flies etc. is swift. It also has repellent action to cockroaches. It is often formulated with pesticides of great killing power. It can be formulated into spray insect killer and aerosol insect killer.

Toxicity

Tetramethrin is a low toxicity insecticide. Acute percutaneous LD50 in rabbits>2g/kg. No irritating effects on the skin, eyes, nose, and respiratory tract. Under the experimental conditions, no mutagenic, carcinogenic, or reproductive effects were observed. This product is toxic to fish Chemicalbook, with a carp TLm (48 hours) of 0.18mg/kg. Blue gill LC50 (96 hours) is 16 μ G/L. Quail acute oral LD50>1g/kg. It is also toxic to bees and silkworms.