N,N-Diethyl-m-toluamide, commonly known as DEET and registered under CAS number 134-62-3, is a widely used chemical compound renowned for its insect-repellent properties. DEET is a key ingredient in many insect repellents, offering protection against mosquitoes, ticks, fleas, and other biting insects. It works by confusing the sensory mechanisms of insects, preventing them from effectively detecting humans through odors and other chemical signals. DEET is available in various formulations, including sprays, lotions, and wipes, and is also used to treat clothing and outdoor equipment, providing broad-spectrum protection in a range of environments. This makes it invaluable in preventing insect bites that can transmit diseases like West Nile virus, Lyme disease, and dengue fever. DEET is extensively used not only by individuals in everyday situations but also by military personnel and workers in outdoor occupations. Public health programs also utilize DEET-based products to combat the spread of insect-borne illnesses. Known for its proven effectiveness and safety when used as directed, DEET remains a trusted and essential tool in personal and public health protection against insects.
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 |
Function:
The primary function of N,N-Diethyl-m-toluamide (DEET) is as an insect repellent. Its main role is to prevent biting insects, such as mosquitoes, ticks, fleas, and flies, from detecting and landing on the skin of humans or animals. DEET achieves this by interfering with the insect's olfactory receptors, which are responsible for detecting the chemical cues emitted by humans, such as carbon dioxide and body odor.
By masking or confusing these signals, DEET reduces the likelihood of insects landing on the treated surface and biting, thus providing protection against insect bites and the potential transmission of insect-borne diseases. DEET is not an insecticide, meaning it does not kill insects but rather repels them, making it a safer option for use on skin and clothing. This function makes DEET an essential component in various insect repellent formulations, offering reliable protection in both recreational and occupational settings.
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