Gadolinium(III) oxide is used as a raw material for various fluorescent compounds, absorption material in atomic reactions, nuclear fuels, magnetic bubble material and screen-sensitivity increasing material. It is also used in glass and electronic industries. It also acts as a neutron shield, a catalyst, a dielectric ceramic and is used for filament coatings, special glasses, lasers, masers and telecommunication. It also serves as a laboratory reagent. It plays an important role as a potential contrast agent for magnetic resonance imaging (MRI).

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.