N,N-Diethyl-m-toluamide, widely known by its acronym DEET and with the CAS number 134-62-3, is an essential active ingredient used in numerous insect repellent products. Renowned for its efficacy, DEET is employed to deter a variety of biting insects, including mosquitoes, ticks, and flies, which are known carriers of diseases such as dengue fever, Zika virus, and chikungunya. DEET functions by confusing insects' ability to detect human scents, effectively reducing the risk of bites. This compound is available in multiple formulations, including sprays, creams, lotions, and wipes, catering to different user preferences and needs.
DEET-based products are applied to exposed skin and clothing, providing protection for several hours. The duration of effectiveness depends on the concentration of DEET in the product, with higher concentrations generally offering longer-lasting protection. This versatility makes DEET a popular choice among outdoor enthusiasts, campers, and travelers, particularly in regions with a high prevalence of insect-borne diseases. DEET is also a critical component in the safety protocols of military and emergency response teams operating in areas prone to insect infestations.
Beyond personal use, DEET plays a vital role in public health initiatives aimed at controlling the spread of vector-borne diseases. It is often distributed in areas experiencing outbreaks or where insect-borne illnesses are endemic. While DEET is generally safe when used as directed, it is important to follow application guidelines to minimize potential skin irritation and other side effects. With decades of research and usage supporting its effectiveness, DEET remains a cornerstone in protective measures against harmful insects, safeguarding both individual health and public well-being.
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Item
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Specification
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Appearance
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Colorless or light yellow liquid |
| Assay |
99%
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| 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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