Product name: Sodium bromide

　　English name: Sodium bromide

　　Property: colorless cubic crystal or white granular powder. Odorless, salty and slightly bitter.

　　Density (g / mL, 25 ° C): 3.203.

　　Melting point (° C): 755.

　　Boiling point (℃, normal pressure): 1390 ℃.

　　Refractive index: 1.6412.

　　Flash point (° C): 1390.

　　Solubility: soluble in water (solubility is 121g / 100ml water at 100 ℃), and the aqueous solution is neutral. Slightly soluble in alcohol. At 51 ℃, anhydrous sodium bromide crystals are precipitated from the solution, and below 51 ℃, dihydrate is formed. 905g / L (at 20 ℃)