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Hafnium(IV) oxide

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Hafnium(IV) oxide

Molecular formula: HfO2 CAS# 12055-23-1
Categories: Oxide
Names
English:
Dioxohafnium
EINECS:235-013-2
Hafnia
Hafnium dioxide
Hafnium(IV) oxide [Wiki]
Hafnium, dioxo-(CAS)
Русский:
Оксид гафния(IV) [Wiki]
окись гафния
German:
Dioxohafnium(IUPAC)
Hafnium(IV)-oxid [Wiki]
Hafniumdioxid
French:
Dioxohafnium(IUPAC)
Oxyde d'hafnium(IV) [Wiki]
dioxyde d'hafnium
العربية:
أكسيد الهافنيوم الرباعي [Wiki]
Italiano:
Biossido di afnio [Wiki]
日本語:
ハフニア
二酸化ハフニウム
酸化ハフニウム(IV) [Wiki]
中文:
二氧化铪 [Wiki]
氧化铪(Ⅳ)

Variants of the formula:

HfO2
O=Hf=O
O\\Hf\\O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Hafnium(IV) oxide is involved

  • HfO2 + 2C + 2Br2 "500^oC"--> HfBr4 + 2CO
  • 2HfOCl2 "300^oC"--> HfCl4 + HfO2
  • HfO2 + 2Cl2 + C "500^oC"--> HfCl4 + CO2
  • HfCl4 + O2 "500^oC"--> HfO2 + 2Cl2
  • HfO2 + 2CCl4 → HfCl4 + 2COCl2