Metasilicic acid
Metasilicic acid is the name given to the hypothetical chemical compound with formula H
2SiO
3. It has never been isolated. It is possible that it may exist in aqueous solution at very low concentration, but it has never been definitively characterized. It may be present in dilute solutions of sodium silicate at low pH.[1]
| Names | |
|---|---|
| Other names
Silicic acid | |
| Identifiers | |
3D model (JSmol) |
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| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.028.834 |
| EC Number |
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PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| H2O3Si | |
| Molar mass | 78.098 g·mol−1 |
| Conjugate base | Metasilicate |
| Hazards | |
| GHS pictograms |  |
| GHS Signal word | Warning |
GHS hazard statements |
H319, H335 |
| P261, P264, P271, P280, P304+340, P305+351+338, P312, P337+313, P403+233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
Metasilicates occur widely in nature as inosilicates.
References
- 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. doi:10.1021/j150528a013
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