Dimethoate
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| Dimethoate | |
|---|---|
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| General | |
| Systematic name | O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] dithiophosphate |
| Other names | O,O-dimethyl S-methylcarbamoylmethyl phosphorodithioate Phosphorodithioic acid, O,O-Dimethyl S-(2-(methylamino)-2-oxoethylyl)ester |
| Molecular formula | C5H12NO3PS2 |
| SMILES | S=P(SCC(=O)NC)(OC)OC |
| Molar mass | 229.28 g/mol |
| Appearance | Grey-white crystalline solid |
| CAS number | 60-51-5 |
| Properties | |
| Density and phase | 1.3 g/cm³, solid |
| Solubility in water | 2.5 g/100 ml (?°C) |
| Other solvents | Very soluble in benzene, chloroform Soluble in methanol, cyclohexane |
| Melting point | 43-45°C (316-318 K) |
| Boiling point | 117°C (390 K)at 0.01 kPa |
| Hazards | |
| MSDS | [MSDS] |
| Main hazards | Highly toxic |
| NFPA 704 | |
| Flash point | 107°C |
| R/S statement | R: ? S: ? |
| RTECS number | ? |
| Related compounds | |
| Related organophosphates | malathion |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Dimethoate is a widely used organophosphate insecticide used to kill insects on contact. It was patentedand introduced in the 1950s by American Cyanamid. Like other organophosphates, dimethoate is an anticholinesterase which disables cholinesterase, an enzyme essential for central nervous system function.
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