Calcium Bromide

Product Description

Colorless oblique approach like crystal or crystal block , odorless , salty and bitter. The relative density of 3.**3 (*5 ° C ), melting point **0 ° C ( decomposition micro ), a boiling point of **6 ~ **2 ° C. Easily soluble in water , aqueous solution is neutral; soluble in ethanol, acetone and acid; slightly soluble in methanol, ammonia; insoluble in ether or chloroform. May form a salt with an alkali metal halide complex. Strong hygroscopicity.
1. Method ferrous bromide : In a reactor containing water in , added iron , added portionwise with stirring bromine , in the *0 next ℃ reaction ferrous bromide , calcium hydroxide was added adjusted pH value , heated to boiling , and then cooling, separating and removing ferrous hydroxide , and the filtrate was evaporated, cooled to *0 ° C was allowed to stand , decolored, filtered, and evaporated to **0 ° C approximately , and then cooled , to obtain calcium bromide.