Cyhalothrin
Encyclopedia
Cyhalothrin is a pyrethroid
Pyrethroid
A pyrethroid is an organic compound similar to the natural pyrethrins produced by the flowers of pyrethrums . Pyrethroids now constitute a major commercial household insecticides...

 insecticide, an ingredient in the Karate brand of pesticides sold by Syngenta
Syngenta
Syngenta AG is a large global Swiss agribusiness company which notably markets seeds and pesticides. Syngenta is involved in biotechnology and genomic research. The company is a leader in crop protection, and ranks third in total sales in the commercial agricultural seeds market. Sales in 2010 were...

.

Cyhalothrin is a fluorinated pyrethrin
Pyrethrin
The pyrethrins are a pair of natural organic compounds that have potent insecticidal activity. Pyrethrins are neurotoxins that attack the nervous systems of all insects. When present in amounts not fatal to insects, they still appear to have an insect repellent effect. Pyrethrins are gradually...

 analog.

Lambda-cyhalothrin is a mixture of highly active isomer
Isomer
In chemistry, isomers are compounds with the same molecular formula but different structural formulas. Isomers do not necessarily share similar properties, unless they also have the same functional groups. There are many different classes of isomers, like stereoisomers, enantiomers, geometrical...

s of cyhalothrin. Brand names include 'Karate', 'Kung-fu', 'Matador', and 'Demand CS' (Syngenta
Syngenta
Syngenta AG is a large global Swiss agribusiness company which notably markets seeds and pesticides. Syngenta is involved in biotechnology and genomic research. The company is a leader in crop protection, and ranks third in total sales in the commercial agricultural seeds market. Sales in 2010 were...

); in the USA, 'Triazicide' and 'Hot Shot' are used in the Home Landsape and Garden markets
Home Depot carries a brand of the insecticide under the brand name Real Kill. Terro also makes an outdoor ant and other insect prevention treatment similar to Home Defense using this ingredient.
Sygenta held the patent for Lambda-cyhalothrin. This patent expired in most major markets in 2003.
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