English name : 22'-Dipyridyl
Formula : C10H8N2
Molecular Weight: 156.1839
Content : ≥99%
Melting point : 70-73 ℃ Density : 1.106g / cm3 Boiling point : 272.5 ° C at 760 mmHg Flash point : 107.2 ° C Water-soluble : 5.5 g / L 22 ℃ Properties: Appearance white or light red crystalline powder
Melting point : 70-73 ° C
Boiling point : 273 ° C
Water-soluble : 5.5 g / L 22 ° C, soluble in alcohol, benzene, chloroform; soluble in water, the solution is obvious case of ferrous salt red
Nature Description : white to light pink crystalline powder melting point :. 69.5 ℃ Boiling point : 272.5 ℃ soluble in ethanol, benzene, chloroform, 1 part of the product is dissolved in about 200 parts of water .
Purposes: the goods for analytical reagent for copper plating additive, used in conjunction with potassium ferrocyanide, can effectively control the copper deposition rate, to avoid the formation of cuprous oxide, ferrous verification, silver, cadmium, molybdenum, as redox indicator.
Is an important organic synthesis intermediates, mainly for pharmaceutical intermediates, organic synthesis, organic solvents, can also be applied to the production of dyes, pesticides and other aspects of production and spices .
Packing: 25kg / drum
Price: 420 yuan / kg