- English name Pyrethrin
- CAS number Pyrethrin
- Molecular formula
- Molecular weight
- content
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Product_introduction
Usage
Pyrethrin is prepared from the flower of pyrethrin cultivated by solvent extraction. It is a perennial root plant. Pyrethroin (mainly found in flowers) is a typical nerve agent. the main components are pyrethrin I and II, which separated by L. Luzica and H. Staudinger in 1924. It has the effect of touch killing, gastric toxicity and repellent, and can act in the peripheral nervous system, central nervous system and other organs. It has strong knockdown effect on pests; broad insecticidal spectrum;low use concentration;low toxicity to
human and livestock; and safety to plants and environment.Its purity is 50%.
Attention
⑴pyrethrin is easy to decompose in light, so the spraying time is best selected in the evening.
⑵Pyrethroin should not be mixed with alkaline pesticides such as sulfur mixture, Bordeaux fluid, and alkaline mixture.
⑶Commercial preparations should be stored in a closed container to avoid high temperature, humidity and direct sunlight.
⑷pyrerum is a powerful touch killing agent, the agent must contact the insect body to be effective, otherwise the effect is not good.