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 2000 · 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 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.
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500 g — £186.90 per pack ex VAT · £224.28 inc. VAT
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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.
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 **analytical grade** and **synthetic grade** 2,4,6-Collidine, with purity typically ≥98%.
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.
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