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|
HS Code |
693396 |
| Chemical Name | 4,4′-Dipyridyl |
| Cas Number | 553-26-4 |
| Molecular Formula | C10H8N2 |
| Molecular Weight | 156.18 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Melting Point | 111-113 °C |
| Boiling Point | 305 °C |
| Solubility In Water | Slightly soluble |
| Density | 1.058 g/cm³ |
| Synonyms | Bipyridine, 4,4'-; 4,4'-Bipyridine |
| Logp | 1.14 |
| Refractive Index | 1.622 |
| Pka | 4.39 |
| Pubchem Cid | 9561 |
| Odor | Odorless |
As an accredited 4,4′-Dipyridyl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sigma-Aldrich 4,4′-Dipyridyl is packaged in a 25g amber glass bottle, featuring a white label with black and red text. |
| Shipping | 4,4′-Dipyridyl is typically shipped in tightly sealed containers to prevent moisture and light exposure. Packaging complies with regulatory standards for chemical transport. The shipment includes hazard labeling, handling instructions, and safety data sheets, ensuring safe delivery. Couriers specializing in chemical logistics are often used for Sigma Aldrich, Merck, or TCI grades. |
| Storage | 4,4′-Dipyridyl should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Protect from moisture and direct sunlight. Store at room temperature as recommended by Sigma Aldrich, Merck, or TCI. Ensure proper labeling and follow institutional chemical safety protocols. |
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