Pyrosilicic acid
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| Names | |
|---|---|
| IUPAC name
Trihydroxysilyl trihydrogen orthosilicate
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| Other names
disilicic acid
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| Identifiers | |
3D model (JSmol)
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| E number | Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value). |
| 26937 | |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| H6O7Si2 | |
| Molar mass | 174.211 g·mol−1 |
| Conjugate base | Pyrosilicate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Pyrosilicic acid is the chemical compound with formula H6Si2O7 or (HO)3SiOSi(OH)3. It is one of the silicic acids and has pyrosilicate as its conjugate base.
It was synthesized, using nonaqueous solutions, in 2017.[1]
- H6Si2O7(aq) → 2 SiO2(s) + 3 H2O
Pyrosilicic acid may be present in sea water and other natural waters at very low concentration.[2][3] Compounds formally derived from it, such as sodium pyrosilicate, are found in the sorosilicate minerals.
References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Katsumi Goto (1956): "Effect of pH on Polymerization of Silicic Acid". Journal of Physical Chemistry, volume 60, issue 7, pages 1007–1008. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ M. F. Bechtold (1955): "Polymerization and Properties of Dilute Aqueous Silicic Acid from Cation Exchange". Journal of Physical Chemistry, volume 59, issue 6, pages 532–541. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).