Calcium iodate anhydrous is considered a safe source of iodine for all animal species/categories when used up to the currently authorised maximum content of total iodine in feed, with the exception of horses and dogs, for which maximum tolerated levels are 3 and 4 mg I/kg complete feed, respectively.

Calcium iodate can also be used as an iodine supplement in chicken feed.

Calcium iodate is used in the manufacture of disinfectants, antiseptics, and deodorants