Molekula
2,2'-Dipyridyl
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
2,2'-Dipyridyl is a heterocyclic organic compound used as a ligand in coordination chemistry and as a reagent in organic synthesis. It is also employed to chelate iron, as a photometric reagent for determining metals such as iron, copper and silver, and as an intermediate in diquat herbicide production. It is a yellow crystalline solid with high purity and stability under ambient storage conditions. CAS: 366-18-7, Molecular Formula: C10H8N2, Molecular Weight: 156.18 g/mol. Hazard classification includes Signal Word: Danger. Molekula supplies 2,2'-Dipyridyl 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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100 g — £77.40 per pack ex VAT · £92.88 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 68 - 72 Deg C |
| pH | 7 - 9 |
| Moisture | 0.5% max |
| Content | 98% min |
| Colour (Gardner) | 13 max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Melting Point | 72 °C |
| Boiling Point | 273.5 °C |
| Water Solubility | 5.93 g/L at 25 °C |
| Solubility (other solvents) | Soluble in oxygenated solvents |
| Vapour Pressure | 0.000013 mmHg |
| pKa | pKa = 4.33 |
| log P (octanol/water) | 1.50 |
Source: PubChem CID 1474 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 23738866 |
| CAS Number | 366-18-7 |
| IUPAC Name | 2-pyridin-2-ylpyridine |
| EC Number | 206-674-4 |
| Molecular Formula | (C5H4N)2 |
| Molecular Weight | 156.18 |
| Exact Mass | 156.0687 |
| SMILES | C1=CC=NC(=C1)C2=CC=CC=N2 |
| InChIKey | ROFVEXUMMXZLPA-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H8N2/c1-3-7-11-9(5-1)10-6-2-4-8-12-10/h1-8H |
| PubChem CID | 1474 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933399992 |
| Tariff Code | 2933399990 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
Hazard statements
- H301 + H311 Toxic if swallowed or in contact with skin
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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-(2-Pyridyl)pyridine
- 2-pyridin-2-ylpyridine
- 2,2-Bipyridine
- 2,2'-Bipyridin
- 2,2'-Bipyridyl
- 2,2'-Dipyridine
- alpha,alpha'-Bipyridyl
- alpha,alpha'-Dipyridine
- alpha,alpha'-Dipyridyl
- Bipyridine
Frequently asked questions
What is 2,2'-Dipyridyl used for?
It is commonly used as a chelating ligand in coordination chemistry and as a reagent in organic synthesis, particularly in the formation of metal complexes.
What is the chemical formula and molecular weight of 2,2'-Dipyridyl?
The formula is (C5H4N)2 and the molecular weight is 156.18 g/mol.
How should 2,2'-Dipyridyl be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 2,2'-Dipyridyl?
Available in technical and reagent grade; specific grades may vary based on order volume.
Can Molekula supply 2,2'-Dipyridyl in bulk?
Yes, Molekula can supply 2,2'-Dipyridyl in bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of 2,2'-Dipyridyl?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), with additional documentation available 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.