intro:
molecular formula：BaBr2
molecular weight：296.69
CAS NO: 10553-31-8
Usage：Uses in the chemical intermediate and the spice, the cosmetics chemical additive.
|
main content |
99%min |
|
PH |
4-7 |
|
moisture content |
0.5%max |
|
chloride |
0.2%max |
|
sulphate |
0.05%max |
|
waer insolubles |
0.05%max |
Properties：this product is Colorless monocline crystallization. Density 3.58g/cm3. Melting point 880℃.It is easy to dissolve in the water, the methyl alcohol. It can dissolve in the ethyl alcohol. hardly dissolves in the acetone, the ethyl acetate, two wicked alkane. Heating to 75℃ when loses 1 crystal water, when 120℃ loses 2 crystal water. Virulent! Joins slowly from the hydrobromic acid under the agitation to the hydroxide of barium saturated solution to the pH value 8~9, keeps warm 8h, after the settlement, the filtration, the concentration, cooling crystallizes, the liquid-solid separation, the dry system.
Packing: Fibre pail or polypropylene bag with plastic bag in |
