Dichloropyridines are organic compounds with the formula Cl2C5H3N, consisting of a pyridine ring substituted with two chlorides. [1] Six isomers are known. They are white or colorless, most are solids at room temperature.
| Name | Registry number | melting point (°C) |
|---|---|---|
| 2,3-Dichloropyridine | 2402-77-9 | 64-67 |
| 2,4-Dichloropyridine | 26452-80-2 | -1 |
| 2,5-Dichloropyridine | 16110-09-1 | 59-62 |
| 2,6-Dichloropyridine | 2402-78-0 | 83-86 |
| 3,4-Dichloropyridine | 55934-00-4 | 22–24 |
| 3,5-Dichloropyridine | 2457-47-8 | 65-67 |