N,N-Diethyl-m-toluamide, abbreviated as DEET and identified by CAS number 134-62-3, is a widely utilized chemical known for its effectiveness as an insect repellent. DEET is integral in repelling a range of biting insects, including mosquitoes, ticks, and fleas, which are known carriers of diseases such as malaria, dengue fever, and Lyme disease. The compound works by disrupting the sensory receptors in insects, thereby hindering their ability to detect human scent and reducing the chance of bites.
DEET is featured in a variety of consumer products, including sprays, gels, lotions, and wipes, each designed for easy application on skin or clothing. Its versatility allows users to choose the most suitable form for their needs, whether for everyday use, outdoor activities, or travel. The effectiveness of DEET is influenced by its concentration in these products, with higher concentrations generally providing longer-lasting protection.
Beyond personal use, DEET is also employed in professional and military settings, where it is crucial for safeguarding personnel in environments with high insect activity. In addition, DEET is a significant component of public health campaigns aimed at controlling insect-borne diseases. It is commonly included in prevention programs and emergency responses in areas experiencing high rates of vector-borne illnesses.
While DEET is considered safe for use when applied as directed, it is important to follow usage guidelines to minimize potential adverse effects, such as skin irritation. With a strong track record of effectiveness and a well-established safety profile, DEET remains a preferred choice for insect repellent products. Its continued use underscores its importance in protecting individuals and communities from 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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