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Pyrethrins have been used as an insecticide for thousands of years. It is believed that the Chinese crushed chrysanthemum plants and used the powder as an insecticide as early as 1000 BC. It was widely known that the Zhou dynasty in China widely used pyrethrin for its insecticide properties. [10]
Cypermethrin, including the resolved isomer alpha-cypermethrin, dichlorovinyl derivative of pyrethrin. Commonly found in crawling insect killers and some mosquito sprays. Cyphenothrin, active ingredient of K2000 Insect spray sold in Israel. Mostly used in some aerosols as a Cypermethrin substitute in developing countries.
Pyrethroids are synthetic insecticides based on natural pyrethrum ; one common example is permethrin. Pyrethrins are often sold in preparations that also contain the synthetic chemical piperonyl butoxide , which enhances the toxicity to insects and is faster acting compared with pyrethrins used alone.
Cyfluthrin is a pyrethroid insecticide and common household pesticide. It is a complex organic compound and the commercial product is sold as a mixture of isomers.Like most pyrethroids (MoA 3a), [1] it is highly toxic to fish and invertebrates, but it is far less toxic to humans. [2]
Raid is the brand name of a line of insecticide products produced by S. C. Johnson & Son, first launched in 1956.. The initial active ingredient was allethrin, the first synthetic pyrethroid. [1]
The allethrins are a group of related synthetic compounds used in insecticides. They are classified as pyrethroids, i.e. synthetic versions of pyrethrin, a chemical with insecticidal properties found naturally in Chrysanthemum flowers. They were first synthesized in the United States by Milton S. Schechter in 1949.
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