Descriptions: It is a kind of white crystal, graininess, or powder. And it can absorb moisture from the air. One gram of it can be soluble in 1.1mL of water, about 16mL ethanol, or 6 mL methanol. Its aqueous solution appears to be neutral, whose PH is 6.5-8.0. The melting piont of it is 755 celsius degree.

Usage:This product is used for making sensitive emulsion of photographic film and for making medicinal intermediates in medico-industries, e.g. diuretic , sedative etc. It is also used as bromide making complex material and complex dyes.