oxo[(oxoholmio)oxy]holmium

• ChemBase ID: 106856
• Molecular Formular: Ho2O3
• Molecular Mass: 377.85884
• Monoisotopic Mass: 377.84538786
• SMILES: O=[Ho]O[Ho]=O
• Canonical SMILES: O=[Ho]O[Ho]=O
• InChI: InChI=1S/2Ho.3O
• InChIKey: JYTUFVYWTIKZGR-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxo[(oxoholmio)oxy]holmium
• IUPAC Traditional name: holmium(III) oxide
• Synonyms: HOLMIUM OXIDE; Holmium(III) oxide; Rare earth; Holmium(III) oxide, REacton®; Holmium oxide; Holmia; Holmium(III) oxide; 稀土; 氧化钬(III); 氧化钬(III), REacton®; 氧化钬(III)，分散体

Database IDs

• CAS Number: 12055-62-8
• EC Number: 235-015-3
• MDL Number: MFCD00011053
• Merck Index: 144727
• PubChem SID: 24882847; 24853296; 24895868; 24883152; 162093184
• PubChem CID: 4232365
• Chemspider ID: 3441223
• Wikipedia Title: Holmium(III)_oxide

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -0.4316
• LogD (pH = 7.4): -0.4316
• Log P: -0.4316
• Molar Refractivity: 4.236 cm^3
• Polarizability: 16.018578 Å^3
• Polar Surface Area: 43.37 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: 3-12mm Sintered Lump; dispersion; nanopowder; Pale yellow, opaque crystals; powder; Powder
• Melting Point: 2330 °C(lit.); 2360°C; 2415°C
• Boiling Point: 3900°C
• Density: 1.097 g/mL at 25 °C; 8.41 g cm^-3
• Refractive Index: 1.8
• Heat Capacity: 115.0 J mol^-1 K^-1
• Std enthalpy of formation: -1880.7 kJ mol^-1
• Std molar entropy: 158.2 J mol^-1 K^-1
• Bandgap: 5.3 eV

Safety Information

• German water hazard class: 3
• Safety Statements: 22-24/25; S22, S24/25
• TSCA Listed: 是
• Personal Protective Equipment: Eyeshields, Gloves

Product Information

• Purity: ≥99.9% (rare earth content, expressed as Ho2O3); ≥99.9% trace metals basis; 99.9%; 99.9% (REO); 99.99% (REO); 99.995% (REO); 99.999% trace metals basis
• Concentration: 5 wt. % in H2O
• Particle Size: <100 nm (BET); <50 nm (XRD)
• Contains: 0.9 wt. % Disperbyk®-190 as dispersant
• Avg. Particle Size: <100 nm (DLS)
• Linear Formula: Ho2O3
• Empirical Formula (Hill Notation): Ho2O3

DETAILS

MP Biomedicals - 05201652

MP Biomedicals Rare Chemical collection

Sigma Aldrich - H9750

包装
10, 50 g in poly bottle

Sigma Aldrich - 641863

Packaging
25 mL in glass bottle
Legal Information
DISPERBYK is a registered trademark of Byk-Chemie GmbH

Sigma Aldrich - 637327

Packaging
10, 50 g in poly bottle

Sigma Aldrich - 229679

Packaging
1 g in glass bottle
10 g in poly bottle