ChemicalBook CAS DataBase List Silicon Tetrafluoride

Silicon Tetrafluoride synthesis

6synthesis methods

Product Name:Silicon Tetrafluoride
CAS Number:7783-61-1
Molecular formula:F4Si
Molecular Weight:104.08

Silicon tetrafluoride is prepared by heating silica with dilute hydrofluoric acid at high temperatures:
SiO₂ + 4HF → SiF₄ + 2H₂O
Also, the tetrafluoride may be obtained by heating the elements:
Si + 2F₂ → SiF₄.

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Yield:-

Reaction Conditions:

with sulfuric acid in sulfuric acidreaction of BaSiF6 and concd. H2SO4 on slight warming;;

References:

Baur, E. [Zeitschrift fur Physikalische Chemie,1904,vol. 48,p. 483 - 503] [Gmelin Handbuch der Anorganischen Chemie,Gmelin Handbook: Si: MVol.B, 224, page 614 - 617]