Piperonyl butoxide CAS NO51-03-6 Slightly yellowish liquid purity 95% dideu

Enhanced ether, abbreviated as Pb. Molecular formula C19H30O5. Molecular weight 338.45. Light yellow oily substance. Boiling point 180 ℃ (133.3Pa), relative density 1.0625, refractive index 1.493-1.49525. Soluble in mineral oil and most organic solvents. Stable to light, resistant to hydrolysis, and non corrosive to chemical books. Toxicity LD50750mg/kg (oral administration to rats). Enhanced ether is a pepper based compound that acts as an enhancer for pyrethroids and other insecticides. Due to the inhibition of the activity of multifunctional oxidase, a detoxifying enzyme in insects, by enhancing ether, pyrethroids are not degraded by insects, thus producing a synergistic effect.

Enhanced ether can improve the insecticidal activity of pyrethroids, various pyrethroids, fisetin, and carbamate insecticides, as well as enhance the efficacy of insecticides such as imidacloprid, dichlorvos, chlordane, trichlorfon, atrazine, etc. It can also improve the stability and stability of pyrethrum extract. When using houseflies as control targets, this product has a higher synergistic effect on pyrethroids than octachlorodipropyl ether; But in terms of the knockdown effect on houseflies, it cannot increase the efficacy of cypermethrin. When used in mosquito coils, it has no synergistic effect on pyrethroids and even reduces their efficacy.

Insecticide. Used to kill insects generated during the storage of grains such as rice, wheat, and beans, such as grain weevils. Often used in combination with the insecticide pyrethroid to form complexes for synergistic effects. The mortality rate of using pyrethroid insecticides alone (taking houseflies as an example) is 46%. If using a formulation combined with this product (30mg+400mg), the killing rate can reach 92%. Usually, this product is mixed with 10 times the amount of pyrethroid and mixed with it to make a 0.05% to 0.2% emulsion or powder for use in Chemicalbook. After application, the residual efficacy of this product can maintain its insecticidal effect for about 1-10 months. According to Japanese regulations, it can be used for grains with a limit of 0.024g/kg (based on this product). Examples of compound insecticides: 1.2% of this product, 0.08% of pyrethrum, 98.72% of mineral substances (about 120g for mixing 60kg grains and spray).

When only 0.025g of pyrethroid is present in 100ml of refined kerosene, the mortality rate of houseflies is only 19%. When 0.050g is present, the mortality rate is 32%, and when 0.100g is present, the mortality rate is 50%. When 0.025g of pyrethroid is present in 100ml of kerosene plus 0.25g of this product, the mortality rate of houseflies can reach as high as 85%. In the lice eradication test, when the formulation contains 0.005% pyrethroid and 0.05% of this product, the mortality rate of body lice is 78%; When containing 0.025% pyrethroid and 0.125% of this product, the mortality rate of body lice can reach 100%, but in the treatment with only pyrethroid, the mortality rate of body lice in Chemicalbook is 0. Using this product as a highly effective insecticide for controlling hygiene insects, warehouse pests, and horticultural pests, its dosage is generally 5-10 times that of pyrethroids, which can increase the efficacy by 3 times and have a significant effect. For example, in grain storage, a mixed powder containing this product (1:10) in fenvalerate can be used to control various warehouse pests. One application can protect the stored grain from pests for about a year. For agricultural pests such as cotton bollworm, when this product is used in combination with cypermethrin, fluorocypermethrin, deltamethrin, and cypermethrin, the efficacy index reaches 230, 167, 80, 65.7, which is also significant.

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