2-Chloropyridine

2-Chloropyridine
Names
	Preferred IUPAC name 2-Chloropyridine
Identifiers
CAS Number	109-09-1 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	105788
ChEBI	CHEBI:39174 ;
ChEMBL	ChEMBL509579 ;
ChemSpider	7689 ;
ECHA InfoCard	100.003.316
EC Number	203-646-3;
Gmelin Reference	130818
PubChem CID	7977;
RTECS number	US5950000;
UNII	8HMD45AYEJ ;
UN number	2822
CompTox Dashboard (EPA)	DTXSID8024810 ;
	InChI InChI=1S/C5H4ClN/c6-5-3-1-2-4-7-5/h1-4H Key: OKDGRDCXVWSXDC-UHFFFAOYSA-N ; InChI=1/C5H4ClN/c6-5-3-1-2-4-7-5/h1-4H Key: OKDGRDCXVWSXDC-UHFFFAOYAI;
	SMILES Clc1ncccc1;
Properties
Chemical formula	C5H4ClN
Molar mass	113.54 g/mol
Appearance	colorless liquid
Density	1.2 g/mL
Melting point	−46 °C (−51 °F; 227 K)
Boiling point	166 °C (331 °F; 439 K)
Solubility in water	27 g/L
Acidity (pKa)	0.49
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H310, H315, H319, H330, H400
Precautionary statements	P260, P261, P262, P264, P270, P271, P273, P280, P284, P301+P310, P301+P312, P302+P350, P302+P352, P304+P340, P305+P351+P338, P310, P311, P312, P314, P320, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P391, P403+P233, P405, P501
Safety data sheet (SDS)	MSDS
Related compounds
Related compounds	3-Chloropyridine; 3-Bromopyridine; 2-Chloromethylpyridine
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

2-Chloropyridine is an aryl chloride 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. It is one of three isomers of chloropyridine.