Dichloropyridine

Dichloropyridines are organic compounds with the formula Cl2C5H3N, consisting of a pyridine ring substituted with two chlorides. Six isomers are known. They are white or colorless, most are solids at room temperature.

Isomers of Dichloropyridine
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