Sodium iodate
Sodium iodate is the sodium salt of iodic acid. Sodium iodate is an oxidizing agent, and as such it can cause fires upon contact with combustible materials or reducing agents.Preparation
It can be prepared by reacting a sodium-containing base such as sodium hydroxide with iodic acid, for example:
It can also be prepared by adding iodine to a hot, concentrated solution of sodium hydroxide or its carbonate:Reactions
Sodium iodate can be oxidized to sodium periodate in water solutions by hypochlorites or other strong oxidizing agents:Uses
The main use of sodium iodate in everyday life is in iodised salt. The other compounds which are used in iodised table salt are potassium iodate, potassium iodide, and sodium iodide. Sodium iodate comprises 15 to 50 mg per kilogram of applicable salt.
Sodium iodate is also used as a dough conditioner to strengthen the dough.Safety
Conditions/substances to avoid are: heat, shock, friction, combustible materials, reducing materials, aluminium, organic compounds, carbon, hydrogen peroxide, sulfides.
