Sodium metasilicate (Na2SiO3)

CAS Registry Number®

6834-92-0

CAS Name

Sodium metasilicate (Na2SiO3)

Molecular Formula

H2O3Si.2Na

Cite this Page

Sodium metasilicate (Na2SiO3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6834-92-0 (retrieved 2025-01-20) (CAS RN: 6834-92-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    1089 °C

  • Density (1)

    2.614 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2Na.H2O3Si/c;;1-4(2)3/h;;1-2H

InChIKey

InChIKey=OWBMIJMLWJUYHZ-UHFFFAOYSA-N

SMILES

[Si](O)(O)=O.[Na]

Canonical SMILES

[Na].O=[Si](O)O

Other Names for this Substance

  • Silicic acid (H2SiO3), sodium salt (1:2)
  • Silicic acid (H2SiO3), disodium salt
  • Orthosil
  • Sodium metasilicate
  • Sodium silicate (Na2SiO3)

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Deleted or Replaced CAS Registry Numbers

8014-92-4, 57447-81-1, 1033016-09-9, 1173151-60-4, 1374246-85-1, 1678537-99-9, 1884160-94-4, 1919815-82-9, 2764688-18-6, 2932501-00-1, 2943989-32-8, 3037393-70-4