Phosmet

O, O -dimethyl- S- (phthalimidomethyl ) dithiophosphate

Colorless solid with an intense odor

Fixed

72 to 72.7 ° C

Decomposition before reaching the boiling point

• Practically insoluble in water
• Soluble in dichloromethane, 4- methylpent -3-en -2- butanone, acetone, and benzene

Attention

• 92.5 mg · kg -1 ( LD50, rat, oral)
• 3160 mg · kg -1 ( LD50, Rabbit, transdermal)

Template: Infobox chemical / molecular formula search available

Phosmet is a chemical compound from the group of carboxylic acid imides and Thiophosphoric.

Production and representation

Phosmet can be obtained by reaction of N- chloromethylphthalimide with Dimethyldithiophosphorsäure. The first turn may be produced by reaction of phthalimide with formaldehyde and hydrogen chloride.

Properties

Phosmet is a colorless solid with an intense odor.

Use

Phosmet is used as an active ingredient in pesticides. It was approved in the United States first in 1966 as a broad-spectrum insecticide used for controlling a variety of pests, including weevils, boll beetles, codling moths and learning. In addition, phosmet has been approved for a direct treatment of ectoparasites in animals, to combat fleas, lice, ticks and other for cattle, pigs and dogs.

In the European Union, the active ingredient phosmet has been approved as an insecticide and acaricide 2007. In Germany and Switzerland, no plant protection products containing this active ingredient are allowed. In Austria, a product for use against potato beetle and pollen beetle is available.