N,N-Diethyl-m-toluamide, also known as DEET (CAS 134-62-3), is a highly effective chemical compound used as the active ingredient in insect repellent products. DEET works by interfering with insects' sensory systems, preventing mosquitoes, ticks, and flies from detecting and biting humans. Available in various formulations including sprays, lotions, and wipes, DEET products can be applied directly to skin or clothing.
This essential compound plays a vital role in preventing insect-borne diseases such as malaria, West Nile virus, and Lyme disease. Widely used in outdoor activities, military operations, and professions requiring exposure to insect-prone areas, DEET has demonstrated decades of reliable safety and effectiveness in personal and community insect protection strategies.
Item | Specification |
---|---|
Appearance | Colorless or light yellow liquid |
Assay | 99% |
Density at 25ºC | 0.992-1002 |
Refractive index at 25ºC | 1.520-1.524 |
Water% | ≤0.2 |
Color(Apha) | ≤100 |
DEET serves as an effective insect repellent that prevents biting insects including mosquitoes, ticks, fleas, and flies from detecting and landing on human or animal skin. The compound works by disrupting insects' olfactory receptors, which normally detect human chemical cues like carbon dioxide and body odor.
Unlike insecticides, DEET repels rather than kills insects, making it safer for direct skin and clothing application. This mechanism provides reliable protection against insect bites and potential disease transmission, establishing DEET as an essential component in both recreational and professional insect repellent formulations.
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