Calcium bromate, Ca(BrO₃)₂, is a

calcium Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar t ...

salt of

bromic acid Bromic acid, also known as hydrogen bromate, is an oxoacid with the molecular formula HBrO3. It only exists in aqueous solution.''The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals''. 14th Edition. 2006.''Van Nostrand's Scienti ...

. It is most commonly encountered as the monohydrate, Ca(BrO₃)₂•H₂O. It can be prepared by reacting calcium hydroxide with

sodium bromate Sodium bromate, the inorganic compound with the chemical formula of NaBrO3, is the sodium salt of bromic acid. It is a strong oxidant. Uses Sodium bromate is mainly used in continuous or batch dyeing processes involving sulfur or vat dyes and as ...

calcium sulfate Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate is better known as plaster of Paris ...

with barium bromate. Above 180 °C, calcium bromate decomposes to form

calcium bromide Calcium bromide is the name for compounds with the chemical formula Ca Br2(H2O)x. Individual compounds include the anhydrous material (x = 0), the hexahydrate (x = 6), and the rare dihydrate (x = 2). All are white powders that dissolve in water, ...

and

oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as ...

. In theory, electrolysis of calcium bromide solution will also yield calcium bromate. It is used as a bread dough and flour "improver" or conditioner ( E number E924b) in some countries.

References

Calcium compounds Bromates Oxidizing agents {{inorganic-compound-stub