Methiocarb

• Mercaptodimethur
• 3,5-dimethyl- 4-( methylsulfanyl ) phenyl N- methylcarbamate
• 3,5-dimethyl -4- methylmercaptophenyl - N- methylcarbamate

119 ° C.

3.8 x 10-7 hPa ( 20 ° C)

27 mg · l-1 in water (20 ° C)

Risk

20 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

Methiocarb ( Mercaptodimethur ) is a chemical compound which is one of the thioether and the carbamates. Methiocarb was introduced in 1962 by Bayer as an insecticide and acaricide and is also used as Vogelrepellent. Its action as a neurotoxin comes about via inhibition of acetylcholinesterase. Methiocarb is toxic to humans and can cause vomiting, diarrhea, shortness of breath and pulmonary edema. In product descriptions it could be still characterized 2001 as " harmful ". However, it is not listed as a carcinogen ( carcinogenic ). For aquatic species, it is very toxic.

Methiocarb also acts on the nervous system of snails, which are initially hyperactive, but then lose muscle tone and die on the spot. Methiocarb is therefore widely used molluscicide. Stiftung Warentest does not recommend the use of slug pellets containing that substance, if there are children and pets out of the treated areas.

Methiocarb has been approved in Germany in many bug sprays for home and small gardeners, always in combination with imidacloprid or thiacloprid. In methiocarb slug pellets is the sole active ingredient. The application is also in the house and small garden allowed the cultivation of fruit and vegetables, however, a waiting period of 14 days is prescribed. A suspension concentrate may be used in the cultivation of corn and ornamental plants for seed dressing. In Switzerland, only the application is approved as a seed dressing. In Austria methiocarb - containing preparations as an insecticide spray, slug pellets ( Mesurol ®) and seed treatment are allowed.