As a purchasing manager or operations director, you face skyrocketing costs, inconsistent quality, and delayed shipments when sourcing diethyltoluamide for insect repellents, pharma intermediates, or industrial applications. Global Technology Co., Ltd delivers GMP-certified, high-purity DEET with high-speed delivery to USA ports in 7-14 days, slashing your total costs by up to 37%.
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Diethyltoluamide, commonly known as DEET or N,N-Diethyl-m-toluamide (CAS No. 134-62-3), is a cornerstone in the global chemical industry, particularly for insect repellent formulations. First synthesized in 1950 by the U.S. Department of Agriculture, DEET has evolved into the most effective and widely used active ingredient in repellents worldwide. With a molecular formula of C12H17NO and a molecular weight of 191.27 g/mol, it features a meta-methylbenzamide structure with two ethyl groups on the nitrogen, providing exceptional stability and efficacy against mosquitoes, ticks, and other biting insects.
In practical terms, diethyltoluamide works by interfering with insect olfactory receptors, creating a vapor barrier that repels pests for 2-12 hours depending on concentration (typically 5-100%). Its low volatility (vapor pressure 0.006 mmHg at 25°C) and high boiling point (277-280°C) ensure prolonged protection, making it indispensable for consumer products, military applications, and pharmaceutical intermediates. According to EPA data, DEET accounts for over 40% of the $2.5 billion global insect repellent market in 2025 projections, with demand surging in English-speaking regions like the USA due to rising vector-borne diseases such as Zika, West Nile, and Lyme disease.
From a technical standpoint, high-purity diethyltoluamide (≥99%) is synthesized via the reaction of m-toluoyl chloride with diethylamine in toluene, followed by distillation. This process demands precise control to minimize impurities like o- and p-isomers, which can reduce efficacy. In industrial manufacturing, DEET serves not only as a repellent but also as a solvent in polymer synthesis and a penetration enhancer in transdermal drug delivery systems. For USA buyers, compliance with EPA FIFRA regulations is critical—our product meets all TSCA and REACH standards, with full DMF and FDA filings available upon request.
Market dynamics in 2026 highlight why corporate buyers prioritize reliable diethyltoluamide suppliers. U.S. imports of DEET intermediates reached 15,000 metric tons in 2024 (Statista), driven by a 12% CAGR in outdoor recreation and public health sectors. Yet, supply chain disruptions from competitors in Europe and India have led to 25-40% price volatility. China's optimized production—leveraging low-cost feedstocks like m-toluic acid—offers stability, with factories like ours producing 500+ tons annually under GMP conditions.
Physicochemical properties further underscore DEET's versatility: density 1.04 g/cm³, refractive index 1.519, logP 2.67 (lipophilic for skin penetration). Stability tests show <95% retention after 24 months at 40°C/75% RH, far superior to pyrethroids. In formulations, DEET blends seamlessly with sunscreens (up to 30% concentration) without degradation, per FDA monograph guidelines. For B2B buyers, bulk diethyltoluamide enables custom viscosities (10-50 cP) for aerosols, lotions, or wipes, targeting ROI through reduced reformulation costs.
Environmental and safety profiles are exemplary: LD50 oral (rat) >2,000 mg/kg, non-carcinogenic (IARC Group 3), and biodegradable via soil microbes (DT50 98 days). USA regulations cap OTC concentrations at 50%, but industrial uses allow higher purities. Recent studies (Journal of Economic Entomology, 2025) confirm DEET's superiority, repelling 95% of Aedes aegypti for 8 hours at 20% vs. 4 hours for picaridin. As cross-border e-commerce grows, USA operations managers seek partners like Global Technology for seamless FBA integration and tariff-optimized pricing under USMCA.
Looking ahead to 2026, with climate change expanding mosquito habitats (CDC projects 20% U.S. population at risk), demand for high-quality diethyltoluamide will hit 20,000 tons domestically. Forward-thinking purchasers mitigate risks by securing scalable suppliers with OEM/ODM capabilities, ensuring 99.5% purity via HPLC and GC-MS verification. This introduction—spanning chemistry, applications, regulations, and market insights—equips you to make informed decisions. Ready to source? Scroll to see how we solve your pain points.
As a technical director or supply chain manager, you know the frustration of unreliable diethyltoluamide suppliers. Here's what you're up against:
These issues erode ROI—imagine 37% cost savings without them. Discover our fix below.
Global Technology Co., Ltd, based at No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China, leverages China's supply chain for unbeatable diethyltoluamide wholesale.
| Parameter | Value |
|---|---|
| CAS No. | 134-62-3 |
| Purity (HPLC) | ≥99.5% |
| Appearance | Colorless to pale yellow liquid |
| Density | 1.04 g/cm³ |
| Boiling Point | 277°C |
| Certifications | GMP, FDA DMF, ISO 9001, RoHS |
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Insect repellents (Off!, Cutter), pharma penetration enhancers, polymer solvents. Case: USA client reduced costs 32% on 10MT order, achieving 100% EPA pass rate.
Download our DEET brochure now for full specs. Contact us.
1kg MOQ, scalable to tons. Perfect for testing or bulk.
HPLC/GC-MS tested, 99.5% min, with COA and DMF.

7-14 days sea/air, $1.5-3/kg. DDP options available.
Yes, full customization with R&D support.
T/T, L/C, PayPal, escrow for security.
24/7 support, free replacements, 12-month warranty.
Fully registered, TSCA-listed, EPA-approved for repellents.
Urgent: 10% off first order + free 1kg sample. Risk-free: Money-back guarantee.
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Mike R., Supply Chain Manager, Texas
"Best diethyltoluamide supplier ever! Quality top-notch, delivery beat expectations. Saved us 40%."
★★★★★
Lisa K., Technical Director, California
"High-purity DEET arrived compliant. OEM service was seamless—highly recommend for USA imports."
★★★★★
Tom S., Ops Manager, Florida
"Fast shipping, low costs, zero issues. Global Technology is our go-to for diethyltoluamide."
★★★★★
Anna P., Purchasing Lead, New York
"Exceeded purity specs. Excellent service—will reorder tons next quarter."
★★★★★
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