CuIO3²⁻, or copper(II) iodate, is an inorganic compound consisting of copper, iodine, and oxygen. It typically appears as a yellowish solid and is used in various applications, including as a reagent in chemical synthesis and in analytical chemistry. The compound features copper in its +2 oxidation state, bonded to iodate ions (IO3⁻). Its properties and reactions can be influenced by factors such as pH and temperature.