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CAS NO.60-51-5
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| Dimethoate Basic information |
| Product Name: | Dimethoate |
| Synonyms: | EL 12880;DIMETATE(R);DIMETHOATE;CHAMP;CEKUTOATE;DANADIM(R);CYGON;CYGON(R) |
| CAS: | 60-51-5 |
| MF: | C5H12NO3PS2 |
| MW: | 229.26 |
| EINECS: | 200-480-3 |
| Product Categories: | Agro-Chemicals;INSECTICIDE;DID - DINMethod Specific;2000/60/ECMore...Close...;AcaricidesAlphabetic;D;Endocrine Disruptors (Draft)Pesticides&Metabolites;EPA;European Community: ISO and DIN;Insecticides;NematicidesPesticides;Oeko-Tex Standard 100;OrganophorousMethod Specific;Pesticides;Pesticides&Metabolites;PesticidesMethod Specific;AcaricidesPesticides&Metabolites;Alpha sort;DAlphabetic;AcaricidesVolatiles/ Semivolatiles;Agro-Products;Amines;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds;NULL |
| Mol File: | 60-51-5.mol |
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| Dimethoate Chemical Properties |
| mp | 52-52.5°C |
| bp | 107°C (0.05 torr) |
| density | 1.281 |
| Fp | 107 °C |
| storage temp. | 0-6°C |
| Water Solubility | Slightly soluble. 2.5 g/100 mL |
| Merck | 13,3246 |
| CAS DataBase Reference | 60-51-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Dimethoate(60-51-5) |
| EPA Substance Registry System | Phosphorodithioic acid, O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester(60-51-5) |
| Safety Information |
| Hazard Codes | Xn,T,F |
| Risk Statements | 21/22-63-43-36/37/38-23/24/25-45-36-20/21/22-11-67-40 |
| Safety Statements | 2-36/37-24/25-23-53-26-16 |
| RIDADR | UN 2783 |
| RTECS | TE1750000 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| Hazardous Substances Data | 60-51-5(Hazardous Substances Data) |
| Dimethoate Usage And Synthesis |
| Usage | An organophosphate insecticide. It is an anticholinesterase which disables cholinesterase, an enzyme essential for central nervous system function. Neurotoxic in humans. |
| Usage | insecticide, cholinesterase inhibitor |
| General Description | A white crystalline solid, with a camphor-like odor, white to grayish crystals for technical product. Dimethoate is a contact and systemic organophosphate insecticide effective against a broad range of insects and mites when applied on a wide range of crops. Dimethoate has not been produced in the U.S. since 1982. |
| Air & Water Reactions | Dimethoate is stable in aqueous solution but is hydrolyzed by aqueous alkali. |
| Reactivity Profile | Dimethoate is incompatible with alkaline preparations. Dimethoate is slightly corrosive to iron. Dimethoate is incompatible with sulfur based formulations. . Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides. |
| Health Hazard | Very toxic; the probable oral lethal dose in humans is between 50-500 mg/kg, or between 1 teaspoon and 1 ounce for a 70 kg (150 lb.) person. Dimethoate is a cholinesterase inhibitor, meaning it affects the central nervous system. Death is due to respiratory arrest arising from failure of respiratory center, paralysis of respiratory muscles, intense bronchoconstriction or all three. |
| Fire Hazard | As with other organophosphorus pesticides, container may explode in heat of fire. The temperature of storage should not exceed 70-80F. Keep away from sources of heat, flames, or spark-generating equipment. Unstable in alkaline solution. Hydrolyzed by aqueous alkali. Stable in aqueous solutions. The compound is stable for 2 years under environmental conditions if stored in undamaged, original containers. |