4,4'-BIPYRIDINE

PRODUCT IDENTIFICATION
CAS NO. 553-26-4

4,4'-BIPYRIDINE
EINECS NO. 209-036-3
FORMULA (C5H4N)-(C5H4N)
MOL WT. 156.19
H.S. CODE 2933.39
SMILES

 
TOXICITY  
SYNONYMS 4,4'-Dipyridine; 4-(4-pyridyl)pyrieine; gamma,gamma'-Dipyridyl;
4,4'-Bipyridyl; gamma,gamma'-Bipyridyl; Bipyridyl; gamma,gamma'-bipyridine;

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE

white to off-white powder
MELTING POINT 110 - 114 C
BOILING POINT 305 C
SPECIFIC GRAVITY  
SOLUBILITY IN WATER

slightly soluble
AUTOIGNITION

 
pH  
VAPOR DENSITY  
NFPA RATINGS Health: 2; Flammability: 1; Reactivity: 0

REFRACTIVE INDEX

  
FLASH POINT

 
STABILITY Stable under ordinary conditions. Hygroscopic.

APPLICATIONS
Bipyridine is an organic heterocyclic compound containing two pyridine rings connected at one carbon site on each ring, with general formula C10H8N2. Each rings contain tri-unsaturated six-membered ring of five carbon atoms and one nitrogen atom. Bipyridine is a white solid slightly soluble in water and soluble in organic solvents. Six isomers of the simplest bipyridine exist. The rules of nomenclature would indicate the position of N atoms in the ring. Bipyridine molecules are coordinated as chelate ligands to form a complex with a transition metal ion. Bipyridines are involved in photosensitizer chemistry, luminescent materials, and metal complex chemistry. Bipyridines can be used in:
  • Transition-metal complex catalyst chemistry for uniform polymerization
  • Luminescence chemistry and spectrophotometric analysis
  • Organic synthesis and polymerization

Some bipyridinium molecules, quaternary ammonium compounds, are active ingredients of contact herbicides with non-selective and fast-acting properties. They are poisonous to humans also. They are readily reduced to radical ion which reacts with unsaturated membrane lipids. Pyridinium class plant protection products include cyperquat, diethamquat, difenzoquat, diquat and morfamquat.

Amrinone and milrinone, bipyridine ketone derivatives, are positive inotropic cardiotonic agents with vasodilator effects. They are phosphodiesterase inhibitor that prevents enzymatic breakdown of cyclic AMP by phosphodiesterase. They stimulate calcium ion influx into the cardiac cell. Etoricoxib, a bipyridine non-steroidal antiinflammatory drug, is a COX-2 selective inhibitor.

SALES SPECIFICATION

APPEARANCE

white to off-white powder
ASSAY

98.0% min

ASH

0.1% max

WATER

1.0% max
MELTING POINT 110 - 114 C
TRANSPORTATION
PACKING 25kg in fiber drum
HAZARD CLASS 6.1 (Packing Group: III)
UN NO.

2811
OTHER INFORMATION
Hazard Symbols: T, Risk Phrases: 25-36/37/38, Safety Phrases: 26-36/37/39-45