Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3. It is one of the three main oxides of iron, the other two being iron(II) oxide (FeO), which is rare, and iron(II,III) oxide (Fe3O4), which also occurs naturally as the mineral magnetite.
IO 115 (OTTO) Iron oxide nanopowder, APS 15-20 nm, 99.5% Cas 1309-37-1 - used as a catalysts, Gas sensors.