Molekula
Trimethylamine 33% (w/w) in Ethanol denatured with 2% Cyclohexane
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Trimethylamine 33% (w/w) in ethanol, denatured with 2% cyclohexane, is a basic amine used in chemical synthesis, pharmaceuticals, and as a reagent in organic reactions. Its key applications include preparing quaternary ammonium compounds and choline salts, and manufacturing disinfectants, pesticides and textile dyes. It is a clear, colorless to pale yellow liquid with a strong fishy odor. CAS: 75-50-3, molecular formula: C3H9N, molecular weight: 59.11 g/mol. Stored at ambient temperature. Hazardous: signal word Danger. Molekula supplies Trimethylamine 33% (w/w) in Ethanol denatured with 2% Cyclohexane 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
On backorder — expected to ship by 23 November 2026
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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5 L — £624.00 per pack ex VAT · £748.80 inc. VAT
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 liquid |
| Refractive Index | 1.3615 - 1.3665 @ 20°C |
| Assay | 31-35% w/w |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -20 °C |
| Transport Class | 3 (8) |
| Packing Group | I |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90026819 |
| CAS Number | 75-50-3 |
| IUPAC Name | N,N-dimethylmethanamine |
| EC Number | 200-875-0 |
| Molecular Formula | C3H9N |
| Molecular Weight | 59.11 |
| Exact Mass | 59.0735 |
| SMILES | CN(C)C |
| InChIKey | GETQZCLCWQTVFV-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H9N/c1-4(2)3/h1-3H3 |
| PubChem CID | 1146 |
| UN Number | UN2924 |
| REACH Code | Y110 |
| HTS Code | 3822.90.0000 |
| Tariff Code | 3822900000 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
-
Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H224 Extremely flammable liquid and vapour
- H302 Harmful if swallowed
- H304 May be fatal if swallowed and enters airways
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H332 Harmful if inhaled
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
- H372 Causes damage to organs through prolonged or repeated exposure
- H402 Harmful to aquatic life
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Dimethylmethaneamine
- FEMA No. 3241
- Methanamine, N,N-dimethyl-
- methane, dimethylamino-
- Methylamine, N,N-dimethyl-
- N-Trimethylamine
- N,N-dimethylmethanamine
- N,N,N-trimethylamine
- NMe3
- Trimethylamine, anhydrous
Frequently asked questions
What is Trimethylamine 33% (w/w) in Ethanol used for?
It is primarily used as a reagent in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals.
What is the chemical formula and molecular weight of Trimethylamine 33% (w/w) in Ethanol?
The formula is C3H9N with a molecular weight of 59.11 g/mol.
How should Trimethylamine 33% (w/w) in Ethanol be stored?
Store at ambient temperature, away from heat and ignition sources, in a well-ventilated area.
What grade of Trimethylamine 33% (w/w) in Ethanol is available?
Available as a denatured technical grade with 2% cyclohexane added as a denaturant.
Can Molekula supply Trimethylamine 33% (w/w) in Ethanol in bulk?
Yes, Molekula can supply this product in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Trimethylamine 33% (w/w) in Ethanol?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.