What Is a Bipyridine?

Bipyridine is a type of product made from pyridine through a joint reaction. Commonly, bipyridine includes 2,2'-bipyridine and 4,4'-bipyridine. It is commonly used for the determination of ferrous, silver, cadmium, Molybdenum; used as redox indicator.

Bipyridine Basic Information

Chinese name: 4,4'-bipyridine

Chinese alias: 4,4-bipyridine; , -bipyridine; 4,4'-dipyridine; 4,4'-bipyridine; 4,4'-anhydrobipyridine;

English name: 4,4'-bipyridine

English alias: 4,4,4'-DIPYRIDYL; 4,4'-DIPYRIDINE; 4,4'-Bipyridine; g, g'-Dipyridyl; 4,4'-BIPYRIDYL;

CAS number: 553-26-4

Molecular formula: C10H8N2

Molecular weight: 156.18400

Exact mass: 156.06900

PSA: 25.78000

LogP: 2.14360 ^[2]

Physical and chemical properties of bipyridine

Appearance and properties: white to off-white powder

Density: 1.106g / cm3

Melting point: 109-112 ° C (lit.)

Boiling point: 305 ° C (lit.)

Flash point: 304-305 ° C

Refractive index: 1.58

Water solubility: slightly soluble

Storage conditions: storeroom is ventilated, low-temperature and dry, and stored separately from food ingredients ^[2]

Bipyridine Safety Information

Packing level: III

Danger category: 6.1

Customs Code: 29333999

Dangerous Goods Transport Code: UN 2811 6.1 / PG 3

WGK Germany: 3

Danger category code: R20 / 21; R25; R36 / 37/38

Safety instructions: S26-S36 / 37 / 39-S45

RTECS number: DW1760000

Dangerous goods mark: T ^[2]

Use of bipyridine

Pharmaceutical and organic synthesis intermediates, reagents for the determination of iron. ^[2]