It is most commonly encountered as the monohydrate, Ca(BrO3)2•H2O.

[citation needed] It can be prepared by reacting calcium hydroxide with sodium bromate or calcium sulfate with barium bromate.

[citation needed] 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.

This inorganic compound–related article is a stub.