2-Chloropyridine is an organohalide with the formula C5H4ClN. It is a colorless liquid that is mainly used to generate fungicides and insecticides in industry. It also serves to generate antihistamines and antiarrythymics for pharmaceutical purposes.
Chinese nickname: chlorpyridine, alpha chlorpyridine;
English Name: 2-Chloropyridine
English aliases: Pyridine, 2-chloro-; 2-Cl-pyridine; 2-Chloro-pyridine; o-Chloro pyridine; Pyridine, 2-chloro-;
Molecular formula: C5H4ClN
Molecular weight: 113.54500
Precise quality: 113.00300
Appearance and properties: transparent, colorless to yellowish liquid.
Melting point: -46 °C
Boiling point: 168°C
Flash point: 149 °F
Refractive index: n20/D 1.532 (lit.)
Water solubility: 27 g/L (20°C)
Stability: Stable under normal temperatures and pressures.
Storage conditions: storeroom ventilation, low temperature drying, separate storage and transportation with oxidant and food.
Steam pressure: 1.99mmHg at 25°C
Signal word: danger
Hazard statement: H302; H310 + H330; H315; H318; H335; H373; H410
Warning Statement: P260; P280; P302 + P352 + P310; P304 + P340 + P310; P305 + P351 + P338 + P310; P403 + P233
Package level: II
Risk category: 6.1
Customs Code: 2933399090
Dangerous goods transportation Code: UN 2822 6.1/PG 2
Danger category code: R23/24/25; R36/37/38
Safety instructions: S26-S36/37/39-S45-S28A
Dangerous goods sign: T
It is used in medicine, insecticide and organic synthesis.