Gadolinium Oxide (Gd2O3)-Powder

Characteristic

Gadolinium(III) oxide (archaically gadolinia) is an inorganic compound with the formula Gd₂O₃. It is one of the most commonly available forms of the rare-earth element gadolinium, derivatives of which are potential contrast agents for magnetic resonance imaging.

Chemical formula：Gd₂O₃

Molar mass： 362.50 g/mol

Appearance： white odorless powder

Density： 7.07 g/cm³ 

Melting point： 2,420 °C (4,390 °F; 2,690 K)

Solubility in water：insoluble

Solubility product (Ksp)：1.8×10⁻²³

Solubility： soluble in acid

Magnetic susceptibility (χ)：+53,200·10⁻⁶ cm³/mol

Crystal structure：Monoclinic, cubic

Application

It is used as admixture of yttrium aluminum and yttrium iron garnet, sensitization fluorescent material in medical devices, nuclear reactor control material, raw material for metal gadolinium, magnetic bubble material and additive for optical prism, etc.