229679

Holmium(III) oxide

powder, 99.99% trace metals basis

• Synonym(s): Diholmium trioxide, Holmia, Holmium oxide, Holmium sesquioxide, Holmium trioxide, Holmium(3+) oxide, Rare earth
• Linear Formula: Ho₂O₃
• CAS Number: 12055-62-8
• Molecular Weight: 377.86
• NACRES: NA.23
• PubChem Substance ID: 24853296
• UNSPSC Code: 12352303
• EC Number: 235-015-3
• MDL number: MFCD00011053

Properties

• assay: 99.99% trace metals basis
• form: powder
• reaction suitability: reagent type: catalyst; core: holmium
• mp: 2330 °C (lit.)
• SMILES string: O=[Ho]O[Ho]=O
• InChI: 1S/2Ho.3O
• InChI key: JYTUFVYWTIKZGR-UHFFFAOYSA-N

Description

General description

Holmium(III) oxide (Ho₂O₃) is a rare earth metal oxide known for its unique optical and electrical properties. It exhibits significant utility as a contrast agent in magnetic resonance imaging (MRI), in wavelength-calibration instruments, and as a catalyst in pyrolysis processes. Additionally, Ho₂O₃ is utilized in producing specialty glasses and ceramics, where it imparts distinctive colors and enhances the material′s properties. Its high melting point and chemical stability make it suitable for demanding environments in both industrial and medical sectors.

Safety Information

• Storage Class: 11 - Combustible Solids
• flash_point_f: Not applicable
• flash_point_c: Not applicable