Cobalt(III) oxide
Cobalt(III) oxide is a chemical compound. It contains cobalt in its +3 oxidation state. Its chemical formula is Co2O3. It can be made by reacting a cobalt(II) salt with sodium hypochlorite. This reaction also makes some chlorine. It is used as a catalyst. It is an oxidizing agent. It is not as strong an oxidizing agent as other cobalt(III) compounds.