98% Purity Enough Stock Indoor Insecticide CAS 8003-34-7 Pyrethrins with Pterostilbene

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CAS: 8003-34-7

1.Pyrethrins are the main raw materials for the preparation of mosquito incense, and are the insecticidal active ingredients contained in pyrethrum, a perennial herb of the Asteraceae family. There are mainly pyrethrin I and pyrethrin II, and there are also guaifenesin I and guaifenesin II which have similar structure with less Chemicalbook amount. At present, a variety of compounds similar to natural pyrethroids have been synthesized and used as insecticides, collectively known as pyrethroids.

2.Pyrethrins are extracts of dried chrysanthemum flowers and are mainly used as indoor insecticides because they are still stable under heat and light conditions. Some shampoos that kill head lice also contain pyrethrins. Pyrethroids are synthesized on the basis of pyrethroid structure and biological activity, and their stability has been increased. They are mainly divided into type I and type II, and type II is more toxic than type I. Chemicalbook synthetic pyrethroids are mainly used in agriculture as well as horticulture to kill building pests (such as termites), lice and fleas. Pyrethroids and synthetic pyrethroids can penetrate rapidly into pests and paralyze them. Permethrin is an early researched pyrethroid insecticide that does not contain a cyano structure, and was the first of the pyrethroid pesticides to emerge as a light-stable insecticide suitable for controlling agricultural pests.

3.Pyrethrum (scientific name: Pyrethrum cinerariifolium Trev.) is a member of the Compositae family. Native to Europe. Shaanxi, Shandong, Heilongjiang, Jilin, Liaoning, Jiangsu, Zhejiang, Anhui, Jiangxi, Hunan, Sichuan, Guangdong and Yunnan are all cultivated in China.
Pyrethrum contains 0.6-1.3% of pyrethrin and grimethrin in its flowers. Pyrethrin, also known as pyrethrin, is a viscous oily liquid that is commonly used as an insecticide.


1.Pyrethroid is a broad-spectrum insecticide that can control a variety of pests. Its insecticidal virulence is 10 to 100 times higher than that of the older generation of insecticides such as organic chlorine, organic phosphorus and carbamate. Its mechanism of action is to disrupt the normal physiology of the insect nerves, causing them to die from excitement, paralysis and paralysis. Pyrethroids are safer for humans and animals due to their small dosage and low concentration, and have little environmental pollution.

2.Pyrethroids can cause mild depolarization of nerve cell membranes in the organism, increase the compound after-potential, lead to repetitive after-discharge, affect Na+ and K+ channels, block the motor electrical Chemicalbook position and cause hair poisoning. Pyrethroid potentiators can inhibit and delay the metabolism of pyrethroids in the body, enhance their toxicity and prolong the duration of drug action in the body to increase the efficacy.

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