2-Chloropyridine is a colorless to light yellow liquid organohalide (C5H4ClNC sub 5 H sub 4 ClNC5H4ClN) used as a key intermediate in producing fungicides (e.g., zinc/copper pyrithione), antihistamines, and antiarrhythmics. It has a boiling point of 166°C166 raised to the composed with power C166 °C and a density of 1.2 g/mL1.2 g/mL1.2 g/mL at 25°C25 raised to the composed with power C25 °C. It is toxic by ingestion or skin absorption, causing severe skin and eye irritation.