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CAS number : 7726-95-6
Atomic weight : 79.904 g/mol
Melting point : −7.2 °C (19 °F)
Boiling point : 58.8 °C (137.8 °F)
Density : 3.1028 g/cm3
(Main article : Bromate hydrolysis)
Bromine can be hard to source for the home refiner so making it from sodium bromide is common. There are two ways of accomplish this.
- By wet chemistry, creating chlorine which replaces the bromine in the sodium bromide. The end product is sodium chloride and elemental bromine.
- Video : NileRed : Making bromine from pool chemicals
- By electrolysis of sodium bromide to create sodium bromate which is acidified in a second step, creating bromine.
- Video : mrhomescientist : Making bromine by electrolysis