278513

Gadolinium(III) oxide

powder, 99.9% trace metals basis

• Synonym(s): Digadolinium trioxide, Gadolinia, Gadolinium oxide, Gadolinium trioxide
• Linear Formula: Gd₂O₃
• CAS Number: 12064-62-9
• Molecular Weight: 362.50
• EC Number: 235-060-9
• MDL number: MFCD00011026
• UNSPSC Code: 12352303
• PubChem Substance ID: 24856820
• NACRES: NA.23

Properties

• Quality Level: 100
• Assay: 99.9% trace metals basis
• form: powder
• reaction suitability: reagent type: catalyst; core: gadolinium
• mp: 2330 °C (lit.)
• density: 7.407 g/mL at 20 °C (lit.)
• SMILES string: O=[Gd]O[Gd]=O
• InChI: 1S/2Gd.3O
• InChI key: RNYFGGMJZRTZKO-UHFFFAOYSA-N

Description

General description

Gadolinium(III) oxide is a rare-earth oxide known for its high thermal stability and unique magnetic properties, making it valuable in various high-temperature applications. It is widely used as a host material in solid-state lasers, where doping with rare-earth ions like neodymium or erbium enhances laser efficiency and enables specific wavelengths for telecommunications and medical procedures3. Additionally, its nanoparticles are utilized in biomedical imaging as MRI contrast agents due to their excellent biocompatibility and ability to improve image resolution.

Application

Gadolinium(III) oxide is used as a dopant in zirconia to improve the ionic conductivity of solid electrolytes in solid oxide fuel cells. Its presence enhances the performance and efficiency of these energy conversion devices. It is also used as a component in thermal barrier coatings for gas turbine engines and other high-temperature applications. Its thermal stability and low thermal conductivity make it suitable for protecting components from extreme heat.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves