吡啶
Pyridine · Piridina · Пиридин · Pyridin · بيريدين · Piridin · Пиридин · Πυριδίνη · Piridina · پیریدین · Pyridine · פירידין
| CAS | 110-86-1 |
|---|---|
| EC | 203-809-9 |
| UN | 1282 |
| 分子式 | C5H5N |
| 摩尔质量 | 79.1 g/mol |
| 爆炸下限（LEL） | 1.7 % vol |
| 爆炸上限（UEL） | 12.4 % vol |
| 闪点 | 18 °C |
| 引燃温度 | 482 °C |
| 温度组别 | T1 |
| 气体组别 | IIA |
| 气体或蒸气的相对密度（空气 = 1） | 2.73 |
| GHS | 危险 · 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.