N,N-Diethyl-m-toluamide, commonly known as DEET and registered under the CAS number 134-62-3, is a highly effective insect repellent widely used in various consumer and professional products. DEET's primary function is to repel biting insects such as mosquitoes, ticks, fleas, and flies, which can be vectors for diseases like malaria, West Nile virus, and Lyme disease. The compound works by interfering with the olfactory receptors of insects, making it difficult for them to detect the scent of humans and animals. This results in a significant reduction in the likelihood of insect bites.
DEET is available in a wide range of concentrations and product forms, including sprays, lotions, gels, and wipes. These products are applied to the skin and clothing to provide long-lasting protection in both urban and wilderness settings. DEET is also used to treat outdoor gear such as tents and sleeping bags, enhancing the protective barrier against insects. Its versatility makes it a valuable tool for outdoor enthusiasts, travelers, and professionals who work in environments with high insect activity.
In addition to recreational use, DEET is extensively utilized in military and occupational contexts, where preventing insect bites is critical for maintaining health and operational efficiency. Public health programs often include DEET-based products as part of broader strategies to combat vector-borne diseases, particularly in areas with high disease transmission rates. DEET has been thoroughly studied and is considered safe for use when applied according to label directions. Its long-standing reputation for effectiveness and safety has made it the gold standard in insect repellent solutions worldwide, ensuring that individuals and communities can protect themselves from the 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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