Pyridin
Pyridine · Piridina · Пиридин · بيريدين · Piridin · Пиридин · Πυριδίνη · Piridina · پیریدین · Pyridine · פירידין · पिरिडीन
| CAS | 110-86-1 |
|---|---|
| EC | 203-809-9 |
| UN | 1282 |
| Formel | C5H5N |
| Molare Masse | 79,1 g/mol |
| UEG (LEL) | 1,7 % vol |
| OEG (UEL) | 12,4 % vol |
| Flammpunkt | 18 °C |
| Zündtemperatur | 482 °C |
| Temperaturklasse | T1 |
| Gasgruppe | IIA |
| Relative Dichte des Gases oder Dampfes (Luft = 1) | 2,73 |
| GHS | Gefahr · 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.