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Pyridine
Piridina · Пиридин · Pyridin · بيريدين · Piridin · Пиридин · Πυριδίνη · Piridina · پیریدین · פירידין · पिरिडीन · Piridin
| CAS | 110-86-1 |
|---|---|
| EC | 203-809-9 |
| UN | 1282 |
| Formula | C5H5N |
| Molyar massa | 79.1 g/mol |
| NKPR (LEL) | 1.7 % vol |
| VKPR (UEL) | 12.4 % vol |
| Chaqnash harorati | 18 °C |
| Oʻz-oʻzidan alangalanish harorati | 482 °C |
| Harorat sinfi | T1 |
| Gaz guruhi | IIA |
| Gaz yoki bugʻning nisbiy zichligi (havo = 1) | 2.73 |
| GHS | Xavf · H225, H302, H312, H332 |
Pyridine is an azaarene comprising a benzene core in which one -CH group is replaced by a nitrogen atom. It is the parent compound of the class pyridines. Pyridine appears as a clear colorless to light yellow liquid with a penetrating nauseating odor. Vapors are heavier than air. Toxic by ingestion and inhalation.