Alpha-Naphthylthiourea

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  1. Alpha-Naphthylthiourea

Alpha-Naphthylthiourea (ANTU) is a chemical compound that has been historically used as a rodenticide. It is known for its acute toxicity to certain species of rodents, particularly rats, while being less toxic to other animals. ANTU is a thiourea derivative and is recognized for its specific mode of action that affects the respiratory system of rodents.

Chemical Properties[edit | edit source]

Alpha-Naphthylthiourea is an organosulfur compound with the chemical formula C₁₀H₇NCSNH₂. It is a white crystalline solid that is relatively insoluble in water but soluble in organic solvents. The compound is characterized by the presence of a naphthyl group attached to a thiourea moiety.

Mechanism of Action[edit | edit source]

ANTU exerts its toxic effects primarily by causing pulmonary edema in susceptible rodents. Upon ingestion, ANTU is absorbed into the bloodstream and transported to the lungs, where it disrupts the normal function of the pulmonary capillaries. This disruption leads to increased permeability of the capillary walls, resulting in fluid accumulation in the lung tissue and subsequent respiratory distress.

Uses[edit | edit source]

Historically, ANTU was used as a rodenticide due to its effectiveness in controlling rat populations. However, its use has declined due to the development of safer and more effective alternatives, as well as concerns about its environmental impact and non-target toxicity.

Safety and Toxicity[edit | edit source]

While ANTU is highly toxic to rodents, it poses a lower risk to humans and other non-target species when used appropriately. However, exposure to high doses can still be hazardous. Symptoms of ANTU poisoning in humans may include nausea, vomiting, and respiratory distress. Proper handling and usage guidelines are essential to minimize risks.

Regulation[edit | edit source]

Due to its potential environmental and health impacts, the use of ANTU is regulated in many countries. It is important to adhere to local regulations and guidelines when handling or disposing of this compound.

Also see[edit | edit source]



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