hafnium(4+) ion dioxidandiide

• ChemBase ID: 302843
• Molecular Formular: HfO2
• Molecular Mass: 210.4888
• Monoisotopic Mass: 211.93637924
• SMILES: [O-2].[O-2].[Hf+4]
• Canonical SMILES: [O-2].[O-2].[Hf+4]
• InChI: InChI=1S/Hf.2O/q+4;2*-2
• InChIKey: WIHZLLGSGQNAGK-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: hafnium(4+) ion dioxidandiide
• IUPAC Traditional name: hafnium(4+) ion dioxidandiide
• Synonyms: Hafnium(IV) oxide, Spectrographic Grade; Hafnium(IV) oxide; Hafnium(IV) oxide, tech.; 氧化铪(IV); 氧化铪, Spectrographic Grade; 氧化铪; 氧化铪(IV), tech.

Database IDs

• CAS Number: 12055-23-1
• EC Number: 235-013-2
• MDL Number: MFCD00003565
• Merck Index: 144588

CALCULATED PROPERTIES

• Acid pKa: 15.7
• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): -0.652
• LogD (pH = 7.4): -0.652
• Log P: -0.652
• Molar Refractivity: 13.1149 cm^3
• Polarizability: 1.8190874 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: 3-12mm Sintered Lump; -325 Mesh Powder; Powder
• Melting Point: 2774°C
• Density: 9.68

Safety Information

• TSCA Listed: 是

Product Information

• Purity: 99% (metals basis excluding Zr), Zr <1.5%; 99.9% (metals basis excluding Zr), Zr <0.5%; 99.9% (metals basis excluding Zr), Zr typically <50ppm; 99.95%, (metals basis excluding Zr), Zr typically <0.5%; 99.99% (metals basis excluding Zr), Zr <100ppm