Hexafluorotitanic acid
Chemical compound / From Wikipedia, the free encyclopedia
Hexafluorotitanic acid (systematically named oxonium hexafluoridotitanate(2-)) is an inorganic compound with the chemical formula (H3O)(H5O2)[TiF6]. According to X-ray crystallography, the salt consists of [TiF6]2- octahedral and two kinds of oxonium cations, (H3O)+ and (H5O2)+.[1]
Quick Facts Names, Identifiers ...
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IUPAC name
Hexafluorotitanic acid | |
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Properties | |
F6H8O3Ti | |
Molar mass | 217.918 g·mol−1 |
Appearance | colorless solid |
Density | 2.10 g/cm3 |
Related compounds | |
Other anions |
Hexafluorosilicic acid Ammonium hexafluorotitanate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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As with most oxonium salts, it is only stable in acidic solution. Under basic conditions, closely related salts hydrolyse to a hydrated titanium dioxide:[2]
- (NH4)2TiF6 + 4 NH3 + 2 H2O → TiO2 + 6 NH4F
A related salt is the anhydrous fluoronium hexafluoridotitanate(2-) or (H2F)2[TiF6].