Scandium(III) Oxide kapena scandia ndi organic pawiri ndi formula Sc2O3.Maonekedwe ndi ufa woyera wa ufa wa cubic system.Ili ndi mawu osiyanasiyana monga scandium trioxide, scandium(III) oxide ndi scandium sesquioxide.Makhalidwe ake a physico-chemical ali pafupi kwambiri ndi ma oxide ena osowa padziko lapansi monga La2O3, Y2O3 ndi Lu2O3.Ndi imodzi mwa ma oxide angapo a zinthu zapadziko lapansi osowa kwambiri okhala ndi malo osungunuka kwambiri.Kutengera ukadaulo wapano, Sc2O3/TREO ikhoza kukhala 99.999% yapamwamba kwambiri.Imasungunuka mu asidi otentha, koma osasungunuka m'madzi.