N,N-Diethyl-m-toluamide, or DEET, with the CAS number 134-62-3, is a well-established chemical compound used extensively as an insect repellent. DEET is known for its ability to repel a variety of biting insects, including mosquitoes, ticks, and fleas, which are often vectors for diseases such as malaria, West Nile virus, and Lyme disease. The mechanism behind DEET's effectiveness involves disrupting the sensory detection systems of these insects, making it difficult for them to locate and bite humans.
DEET is incorporated into a wide range of products including sprays, lotions, gels, and wipes. These formulations are designed for application on skin and clothing, providing effective protection in diverse settings. The concentration of DEET in these products varies, with higher concentrations offering extended protection suitable for prolonged outdoor activities or travel in high-risk areas.
In addition to personal use, DEET is vital in professional environments, including military and occupational settings, where insect protection is crucial. It also plays a significant role in public health initiatives, particularly in combating the spread of insect-borne diseases. DEET-based repellents are commonly used in areas experiencing outbreaks or where vector-borne illnesses are prevalent.
While DEET has a long history of safe use when applied according to guidelines, users should be mindful of potential skin irritation, especially in sensitive individuals. Overall, DEET remains a key ingredient in insect repellent products, valued for its proven effectiveness and versatility in protecting against the discomfort and health risks associated with insect bites.
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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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