4,4'-Bipyridine

4,4′-Bipyridine
Names
	Preferred IUPAC name 4,4′-Bipyridine
Identifiers
CAS Number	553-26-4 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	113176
ChEBI	CHEBI:30985 ;
ChEMBL	ChEMBL1374568;
ChemSpider	10636 ;
ECHA InfoCard	100.008.216
EC Number	209-036-3;
Gmelin Reference	3759
PubChem CID	11107;
UNII	X4O2OD61CB;
CompTox Dashboard (EPA)	DTXSID2027200 ;
	InChI InChI=1S/C10H8N2/c1-5-11-6-2-9(1)10-3-7-12-8-4-10/h1-8H Key: MWVTWFVJZLCBMC-UHFFFAOYSA-N ;
	SMILES c1cnccc1-c2ccncc2;
Properties
Chemical formula	C10H8N2
Molar mass	156.188 g·mol−1
Melting point	114 °C (237 °F; 387 K)
Boiling point	305 °C (581 °F; 578 K)
Structure
Dipole moment	0 D
Related compounds
Related compounds	2,2′-Bipyridine; Pyridine; 4-Pyridylnicotinamide; Terpyridine; Biphenyl
	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

4,4′-Bipyridine (abbreviated to 4,4′-bipy or 4,4′-bpy) is an organic compound with the formula (C₅H₄N)₂. It is one of several isomers of bipyridine. It is a colorless solid that is soluble in organic solvents. is mainly used as a precursor to N,N′-dimethyl-4,4′-bipyridinium [(C₅H₄NCH₃)₂]²⁺, known as paraquat.