Metasilicic acid

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Metasilicic-acid-3D-spacefill.png
Names
IUPAC name
Metasilicic acid
Other names
Silicic acid
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.028.834 Edit this at Wikidata
EC Number
  • 231-716-3
UNII
  • InChI=1S/H2O3Si/c1-4(2)3/h1-2H checkY
    Key: IJKVHSBPTUYDLN-UHFFFAOYSA-N checkY
  • O[Si](=O)O
Properties
H2O3Si
Molar mass 78.098 g·mol−1
Conjugate base Metasilicate
Hazards
GHS labelling:
GHS07: Exclamation mark
Signal word
Warning
H319, H335
P261, P264, P271, P280, P304+P340, P305+P351+P338, P312, P337+P313, P403+P233, 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

Metasilicic acid is the name given to the hypothetical chemical compound with formula H
2
SiO
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]

Metasilicates occur widely in nature as inosilicates.

References[]

  1. ^ 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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