Molekula
N,N-Diethyl-m-toluamide (DEET)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N,N-Diethyl-m-toluamide (DEET) is a widely used insect repellent that effectively protects against mosquito bites, ticks, and other biting insects. It is the active ingredient in many over-the-counter insect repellent products due to its proven efficacy. DEET has a CAS number of 134-62-3, a molecular formula of C12H17NO, and a molecular weight of 191.27. It must be stored between 2 to 8°C and carries a signal word of Warning for safety. Molekula supplies DEET from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — $109.40 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless to pale yellow liquid |
| Refractive Index | 1.520 - 1.524 (@25°C) |
| Assay GC | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 155 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Nearly colorless to amberlike liquid |
| Odour | Faint, characteristic odor |
| Melting Point | -45 °C (pour point) |
| Boiling Point | 160 °C at 19 mmHg |
| Density | 0.996 g/cm³ at 20 °C |
| Solubility (other solvents) | Very soluble in benzene, ethyl ether, ethanol |
| Vapour Pressure | 0.002 mmHg at 25 °C |
| Refractive Index | 1.5212 |
| log P (octanol/water) | 2.02 |
Source: PubChem CID 4284 (HSDB, CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 27939809 |
| CAS Number | 134-62-3 |
| IUPAC Name | N,N-diethyl-3-methylbenzamide |
| EC Number | 205-149-7 |
| Molecular Formula | C12H17NO |
| Molecular Weight | 191.27 |
| Exact Mass | 191.131 |
| SMILES | CCN(CC)C(=O)C1=CC=CC(=C1)C |
| InChIKey | MMOXZBCLCQITDF-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H17NO/c1-4-13(5-2)12(14)11-8-6-7-10(3)9-11/h6-9H,4-5H2,1-3H3 |
| PubChem CID | 4284 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29242977 |
| Tariff Code | 2924297099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Autan
- DEET
- Delphene
- Detamide
- Dieltamid
- Diethyltoluamide
- Flypel
- Metadelphene
- N,N-Diethyl-3-methylbenzamide
- N,N-Diethyl-m-toluamide
Frequently asked questions
What is N,N-Diethyl-m-toluamide (DEET) commonly used for?
DEET is primarily used as an active ingredient in insect repellents to protect against mosquitoes, ticks, and other biting insects.
What is the chemical formula and molecular weight of DEET?
The chemical formula is **C₁₂H₁₇NO** and the molecular weight is **191.27 g/mol**.
How should DEET be stored?
Store DEET at **2–8°C** in a cool, dry place, away from direct sunlight and incompatible materials.
What purity grades of DEET does Molekula supply?
Molekula supplies DEET in **technical and pharmaceutical-grade purity**, depending on the application requirements.
Can Molekula supply DEET in bulk quantities?
Yes, Molekula can supply DEET in bulk, with quantities tailored to meet industrial and commercial needs.
What documentation comes with a DEET order from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.