Omethoate (C5H12NO4PS) is a systemic organophosphorous insecticide and acaricide available as a soluble concentrate. It is used to control insects and mites in horticulture and agriculture, as well as in the home garden.
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Preferred IUPAC name
O,O-Dimethyl S-[2-(methylamino)-2-oxoethyl] phosphorothioate | |
Other names
Dimethoxon
O,O-Dimethyl S-methylcarbamoylmethyl phosphorothioate | |
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3D model (JSmol)
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ChEBI |
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ChEMBL |
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ChemSpider |
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ECHA InfoCard | 100.012.907 |
KEGG |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
C5H12NO4PS | |
Molar mass | 213.19 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Omethoate works by inhibiting the enzyme acetylcholinesterase. This inhibition over-stimulattes parts of the nervous system that rely on acetylcholine to transmit nerve impulses. [1]
It is an irritant to the skin and mucous membranes. Its toxicity and hazard potential are still under review because of concerns about its safety.[2] Additionally, it cannot be used on food products.
The acceptable daily intake (ADI) has been amended from 0.0003 to 0.0004 mg/kg bw [1]