Phoxim

Phoxim is an organophosphate insecticide that is used in agriculture to control pests on a wide variety of crops. It is also used in veterinary medicine to control external parasites on animals.

Chemistry

Phoxim is a member of the organophosphate class of chemicals, which are known for their ability to inhibit the activity of acetylcholinesterase, an enzyme that is essential for normal nerve function. The chemical formula for phoxim is C12H15N2O3PS. It is a colorless to amber liquid with a mild, pleasant odor.

Uses

Phoxim is used in agriculture to control a wide variety of pests, including aphids, mites, and whiteflies. It is applied to crops either by spraying or by soil application. In veterinary medicine, phoxim is used to control external parasites on animals, such as fleas, ticks, and lice.

Toxicity

Like other organophosphates, phoxim is toxic to humans and animals. It can cause a range of symptoms, from mild irritation of the skin and eyes to severe effects on the nervous system, including seizures and even death. The LD50 (lethal dose for 50% of the population) for phoxim in rats is 130 mg/kg.

Environmental Impact

Phoxim is highly toxic to aquatic organisms and bees. It can contaminate water bodies and harm non-target organisms. It is also persistent in the environment, with a half-life in soil of up to 100 days.

Regulation

In many countries, the use of phoxim is regulated due to its potential to harm human health and the environment. In the European Union, for example, phoxim is not approved for use as a pesticide.

See Also

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

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