Pyridine is a nitrogen-containing heterocyclic compound essential in pharmaceuticals, agrochemicals, and organic synthesis.
Chemical Formula of Pyridine:
- C₅H₅N
Physical Properties of Pyridine:
| Property | Value |
| Appearance | Colorless liquid |
| Odor | Fish-like, unpleasant |
| Boiling Point | ~115 °C |
| Melting Point | ~-41 °C |
| Solubility | Miscible with water and organics |
| Basicity (pKa of conjugate acid) | ~5.2 (moderately basic) |
Medicinal Uses:
- Pyridine derivatives are found in:
- Isoniazid (anti-TB drug)
- Nicotinamide (Vitamin B3 derivative)
- Pyridostigmine (myasthenia gravis)
- Used as a solvent and in synthesis of drugs, herbicides, vitamins.
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