Barium iodateBarium iodate is an inorganic chemical compound with the chemical formula Ba2. It is a white, granular substance.DerivationBarium iodate can be derived either as a product of a reaction of iodine and barium hydroxide or by combining barium chlorate with potassium iodate.Chemical propertiesThe compound is stable on a temperature up to approximately. If the temperature is higher than that value, the following reaction, known as Rammelsberg's reaction, occurs: