Scandium(III) oxide, Sc2O3, or scandia, is a high melting rare earth oxide.
S 7691 (OTTO) Scandium oxide, pieces, ≥99.99% Cas 12060-08-1 - used in electronic ceramics and glass composition. S 1299 (OTTO) Scandium oxide, 99.999% Cas 12060-08-1 - used as a starting material for the preparation of other scandium compounds. In addition to this, it has vacuum deposition applications.