Molekula
2,4,6-Collidine (2,4,6-Trimethylpyridine)
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
2,4,6-Collidine (2,4,6-trimethylpyridine) is an aromatic tertiary amine with a pyridine base structure, widely used as a solvent, catalyst, and organic synthesis reagent in pharmaceuticals, agrochemicals, and polymer manufacturing. It functions as a base, ligand, and extractant in chemical processes. It is also documented as a chemical intermediate, a base for dehydrohalogenation reactions, a tissue fixative in electron microscopy, and a solvent in anthraquinone manufacture. This chemical has a CAS number of 108-75-8, molecular formula C8H11N, and a molecular weight of 121.18 g/mol. It must be stored between 2 to 8°C and carries a Danger signal word due to its hazardous properties.
Molekula supplies 2,4,6-Collidine (2,4,6-Trimethylpyridine) at ≥98% purity in 500 g packs, from £224.28 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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 — £186.90 per pack ex VAT · £224.28 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 | Colourless to light yellow liquid |
| Water | ≤0.2% |
| Assay | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 55 °C |
| Transport Class | 3 (6.1) |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Aromatic odor |
| Melting Point | -44.5 °C |
| Boiling Point | 170.4 °C |
| Vapour Pressure | 1.99 mmHg at 25 °C |
| Refractive Index | 1.4959 |
| pKa | pKa = 7.43 |
| log P (octanol/water) | 1.88 |
Source: PubChem CID 7953 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 55454833 |
| CAS Number | 108-75-8 |
| IUPAC Name | 2,4,6-trimethylpyridine |
| EC Number | 203-613-3 |
| Molecular Formula | C8H11N |
| Molecular Weight | 121.18 |
| Exact Mass | 121.0891 |
| SMILES | CC1=CC(=NC(=C1)C)C |
| InChIKey | BWZVCCNYKMEVEX-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H11N/c1-6-4-7(2)9-8(3)5-6/h4-5H,1-3H3 |
| PubChem CID | 7953 |
| UN Number | UN1992 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2933399990 |
Safety & GHS
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Flammable
GHS02
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Toxic
GHS06
Hazard statements
- H226 Flammable liquid and vapour
- H302 Harmful if swallowed
- H311 Toxic in contact with skin
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, 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.
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
- 2,4,6 COLLIDINE
- 2,4,6-Kollidin
- 2,4,6-Trimethylpyridine
- alpha,gamma,alpha'-Collidine
- collidin
- COLLIDINE
- gamma-Collidine
- Pyridine, 2,4,6-trimethyl-
- s-Collidine
- sym-Collidine
Frequently asked questions
What is 2,4,6-Collidine (2,4,6-Trimethylpyridine) commonly used for?
2,4,6-Collidine is primarily used as a solvent, in organic synthesis, and as a ligand in coordination chemistry. It is also employed in the production of pharmaceuticals and as a reagent in analytical chemistry.
What is the chemical formula and molecular weight of 2,4,6-Collidine?
The chemical formula is C₈H₁₁N, and the molecular weight is 121.18 g/mol.
How should 2,4,6-Collidine be stored?
Store at 2–8°C in a tightly sealed container, away from heat, sparks, and open flames. Keep in a well-ventilated area.
What purity grades or specifications are available for 2,4,6-Collidine?
Molekula supplies 2,4,6-Collidine as a colourless to light yellow liquid with an assay of ≥98% and a water content of ≤0.2%.
Can Molekula supply 2,4,6-Collidine in bulk quantities?
Yes, we offer bulk quantities of 2,4,6-Collidine upon request, with flexible packaging options (drums, IBCs, or custom solutions).
What documentation comes with an order of 2,4,6-Collidine?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and Safety Data Sheet (SDS). Additional documentation, such as a Packing List and Quality Assurance Report, is provided upon request.
Where can I buy 2,4,6-Collidine (2,4,6-Trimethylpyridine)?
Directly from Molekula, which lists 2,4,6-Collidine (2,4,6-Trimethylpyridine) in 500 g packs from £224.28 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is 2,4,6-Collidine (2,4,6-Trimethylpyridine) dangerous goods for shipping?
Yes. 2,4,6-Collidine (2,4,6-Trimethylpyridine) ships as dangerous goods: UN1992, class 3 (6.1), packing group III.
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