N,N-Diethyl-m-toluamide, known as DEET and bearing the CAS number 134-62-3, is a key active ingredient in many insect repellent formulations. DEET is highly effective at deterring a range of insects, including mosquitoes and ticks, by disrupting their ability to sense human presence. This makes it an essential tool for preventing bites that can lead to diseases like Zika virus, chikungunya, and Lyme disease. DEET can be found in various products such as aerosols, creams, and roll-ons, and is also used to treat clothing and camping gear, providing comprehensive protection in diverse settings. Its applications are critical not only for recreational use in outdoor activities but also in professional environments where insect exposure is a concern, such as forestry, agriculture, and the military. DEET-based products are frequently distributed in public health campaigns aimed at controlling the spread of insect-borne illnesses. Recognized for its efficacy and safety profile, DEET remains a widely trusted choice for personal insect repellent needs.
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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