278513

Gadolinium(III) oxide

powder, 99.9% trace metals basis

• Synonyma: Digadolinium trioxide, Gadolinia, Gadolinium oxide, Gadolinium trioxide
• Lineární vzorec: Gd₂O₃
• Číslo CAS: 12064-62-9
• Molekulová hmotnost: 362.50
• NACRES: NA.23
• PubChem Substance ID: 24856820
• UNSPSC Code: 12352303
• EC Number: 235-060-9
• MDL number: MFCD00011026

Vlastnosti

• Quality Segment: 100
• assay: 99.9% trace metals basis
• form: powder
• composition: Gd₂O₃
• reaction suitability: reagent type: catalyst; core: gadolinium
• mp: 2330 °C (lit.)
• density: 7.407 g/mL at 20 °C (lit.)
• application(s): glass & ceramic; photonic precursors
• SMILES string: O=[Gd]O[Gd]=O
• InChI: 1S/2Gd.3O
• InChI key: RNYFGGMJZRTZKO-UHFFFAOYSA-N

Popis

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.

Bezpečnostní informace

• Piktogramy: GHS07
• Výstražné slovo: Warning
• Kódy nebezpečí: H319
• Bezpečnostní pokyny: P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2
• Skladovací třída: 11 - Combustible Solids
• Co se děje?: WGK 1
• Bod vzplanutí (°F): Not applicable
• Bod vzplanutí (°C): Not applicable
• PPE (osobní ochranné prostředky): Eyeshields, Gloves, type N95 (US)