Potassium iodate

Potassium iodate is an inorganic salt with the formula KIO₃. It supplies iodine in food fortification and acts as an oxidizing agent.

Iodized salt: Edible salt fortified with iodine compounds to prevent iodine deficiency. Potassium iodate is added to salt where its stability suits storage and distribution.
Iodate: The polyatomic ion IO₃⁻, in which iodine is in the +5 oxidation state. Potassium iodate consists of potassium ions paired with iodate ions.
Chemical formula: A notation showing the kinds and relative numbers of atoms in a chemical substance. KIO₃ specifies one potassium, one iodine, and three oxygen atoms per formula unit.
Sodium iodate: An inorganic salt, NaIO₃, containing sodium ions and iodate ions. It supplies the same iodate ion but uses sodium rather than potassium.
Iodine deficiency: A lack of sufficient iodine that can impair thyroid hormone production and development. Food fortification with potassium iodate helps prevent this nutritional deficiency.
Redox reaction: A chemical reaction involving transfer of electrons and changes in oxidation states. Iodate accepts electrons in reactions that make potassium iodate an oxidizing agent.
Ionic compound: A substance composed of positively and negatively charged ions held together by electrostatic attraction. Potassium iodate is an ionic solid formed from K⁺ and IO₃⁻ ions.
Potassium periodate: A potassium salt containing periodate, an iodine oxyanion with iodine in the +7 oxidation state. Periodate is a more oxidized iodine oxyanion than the iodate in this salt.
Breadmaking: The preparation of bread dough and its transformation through fermentation and baking. Potassium iodate has been used as an oxidizing dough improver in some countries.
Iodine: A chemical element with symbol I and atomic number 53, essential in small amounts for thyroid hormones. Reduction of iodate can produce iodine or iodide, depending on reaction conditions.

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Iodic acidBroader topic: It is a convenient solid source of iodate related to iodic acid.