Demeton-S-methyl

Demeton-S-methyl is an organophosphate compound that is used as an insecticide and acaricide. It is a colorless liquid that has a strong odor and is not naturally occurring. It is a derivative of Demeton, a highly toxic organophosphate.

Chemical Properties

Demeton-S-methyl is a organophosphate compound with the chemical formula C6H15O3PS2. It is a colorless liquid with a strong odor. It is soluble in water and most organic solvents. It is highly toxic and can cause serious health effects if ingested, inhaled, or absorbed through the skin.

Uses

Demeton-S-methyl is primarily used as an insecticide and acaricide. It is effective against a wide range of insects and mites, including aphids, spider mites, and leaf miners. It is often used in agriculture, particularly in the cultivation of fruits and vegetables.

Health Effects

Exposure to Demeton-S-methyl can cause a range of health effects, due to its action as an acetylcholinesterase inhibitor. Symptoms of exposure can include nausea, vomiting, diarrhea, abdominal cramps, headache, dizziness, and blurred vision. In severe cases, exposure can lead to respiratory failure and death.

Regulation

Due to its high toxicity, the use of Demeton-S-methyl is heavily regulated. In many countries, including the United States, it is classified as a Restricted Use Pesticide (RUP), meaning it can only be used by certified applicators.

See Also

• Organophosphate poisoning
• Pesticide toxicity to bees
• Environmental impact of pesticides

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