Syntheses
Hydrobromic acid can be prepared in the laboratory via the reaction of Br2, SO2, and water.
- Br2 + SO2 + 2 H2O → H2SO4 + 2 HBr
More typically laboratory preparations involve the production of anhydrous HBr, which is then dissolved in water.
Hydrobromic acid has commonly been prepared industrially by reacting bromine with either sulfur or phosphorus and water. However, it can also be produced electrolytically. It can also be prepared by treating bromides with non-oxidising acids like phosphoric or acetic acids.
Hydrobromic acid is available commercially in various concentrations and purities.
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