N,N-Diethyl-meta-toluamide (DEET/Diethyltoluamide) CAS 134-62-3 is a widely used synthetic insect repellent, pale yellow oily liquid. It repels mosquitoes, ticks, fleas and other biting insects by interfering with insect olfactory receptors. It is the mainstream active raw material for insect repellent spray, lotion and cream. TNJ Chemical is a professional manufacturer and exporter since 2001. We guarantee high-quality products, competitive price and thoughtful service. If you want to buy or have any other inquiries, please contact sales@tnjchem.com
Product Information
CAS No.: 134-62-3
Synonym: N,N-Diethyl-meta-toluamide, DEET
Chemical Formula: C₁₂H₁₇NO
Molecular Weight: 191.27
Chemphysical Properties
Appearance: Pale yellow to colorless clear oily liquid
Odor: Mild characteristic odor
Solubility: Slightly soluble in water; miscible with ethanol, ether, oils and organic solvents
Density (20℃): 0.996–1.006 g/cm³
Boiling Point: ~288 ℃
Quality Specification
| Item | Specification |
|---|---|
| Appearance | Pale yellow to colorless clear oily liquid |
| Assay | ≥98.0% |
| Moisture | ≤0.2 % |
| Refractive Index (nD20) | 1.5200–1.5240 |
| m-Toluic acid | ≤0.1% |
Use & Application
Raw material for mosquito & insect repellent formulations (spray, roll-on, cream, lotion)
Repel mosquitoes, ticks, sandflies, fleas and chiggers
Outdoor insect protection for personal care products
Used in veterinary insect repellent products
Packing
200kg HDPE drum. Custom packing acceptable.
Delivery & Storage
Keep container tightly sealed. Store in cool, dry, ventilated warehouse.
Keep away from oxidants, heat and flame. Avoid long time exposure to strong light.
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