Tungstosilicic acid
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| Tungstosilicic acid | |
|---|---|
| Image:Tungstosilicic acid.jpg | |
| Other names | Silicotungstic acid |
| Identifiers | |
| CAS number | [12027-43-9] |
| Properties | |
| Molecular formula | H4[W12SiO40] |
| Molar mass | 2878.2 g/mol |
| Structure | |
| Coordination geometry |
Tetrahedral |
| Dipole moment | zero |
| Hazards | |
| Flash point | non-flammable |
| Related compounds | |
| Related compounds | Tungsten trioxide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
Tungstosilicic acid is the most commonly encountered heteropoly acid. It is widely used in heterogeneous catalysts, notably in the Showa Denko process for the manufacture of acetic acid.
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