HgIO₃²⁻, or mercurous iodate, is a chemical compound consisting of Mercury (Hg) and iodate ions (IO₃). In this compound, mercury typically exhibits a +1 oxidation state, while the iodate ion carries a -1 charge. This compound may be of interest in various chemical and environmental contexts, but it is not as commonly encountered as other mercury compounds. Its properties and applications can be studied further in specialized chemical literature.