Cobalt Tetroxide

Co: 0. Cobalt tetroxide is an inorganic compound with the chemical formula Co304. Similar to iron tetroxide, it can be approximated as a compound formed by cobalt oxide (Co0) and high cobalt oxide (Co203). It is a black or grayish black powder and is mainly used as a chemical and oxidizing agent. It can also be used to manufacture cobalt salts and enamel pigments.