Aldicarb

A carbamate insecticide and nematicide

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Aldicarb is a carbamate insecticide and nematicide that is primarily used to control pests in agriculture. It is known for its high toxicity and effectiveness against a wide range of insects and nematodes.

Chemical properties

Aldicarb is a member of the carbamate class of pesticides. Its chemical formula is C₇H₁₄N₂O₂S. It is a white crystalline solid with a slight sulfurous odor. Aldicarb is highly soluble in water, which contributes to its effectiveness as a systemic pesticide.

Mode of action

Aldicarb works by inhibiting the enzyme acetylcholinesterase, which is essential for the proper functioning of the nervous system in insects. This inhibition leads to an accumulation of acetylcholine at the nerve synapses, causing continuous nerve impulses, paralysis, and eventually death of the pest.

Uses

Aldicarb is used in agriculture to protect crops such as cotton, peanuts, and soybeans from a variety of pests. It is applied to the soil, where it is absorbed by the roots and translocated throughout the plant, providing systemic protection.

Toxicity and safety

Aldicarb is highly toxic to humans and animals if ingested, inhaled, or absorbed through the skin. It is classified as a restricted use pesticide due to its potential hazards. Proper safety measures, including the use of protective equipment, are essential when handling aldicarb.

Environmental impact

Due to its high solubility in water, aldicarb can leach into groundwater, posing a risk to aquatic life and potentially contaminating drinking water supplies. Its use is regulated to minimize environmental impact.

Regulation

The use of aldicarb is subject to strict regulations in many countries. In the United States, it is classified as a restricted use pesticide, meaning it can only be applied by certified applicators.

Related pages

• Pesticide
• Carbamate
• Acetylcholinesterase inhibitor
• Nematicide

Gallery

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  2D skeletal structure of Aldicarb
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  3D ball-and-stick model of Aldicarb