Sodium Silicate

Na₂SiO₃

IUPAC: Sodium metasilicate

CAS: 6834-92-0

Übersicht

Sodium silicate (water glass) is an inorganic compound used as an adhesive, sealant, and fire retardant. Its solution is alkaline and viscous.

Zusammensetzung

Element Symbol Atome Atommasse
Oxygen O 3 15,9990
Sodium Na 2 22,9900
Silicon Si 1 28,0850

Elementare Zusammensetzung

O
Oxygen ×3
39,3%
Na
Sodium ×2
37,7%
Si
Silicon ×1
23,0%

Verwendung

  • • Cement additive
  • • Adhesive (cardboard)
  • • Fire retardant
  • • Egg preservation

Wissenswertes

  • ✦ Water glass was historically used to preserve eggs — sealing pores in the shell to keep them fresh for months

Sicherheit

  • ⚠ Corrosive
  • ⚠ Irritant

Structure

SMILES

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

Eigenschaften

Typ
industrial
Zustand
solid
Molmasse
122,06 g/mol
Dichte
2,6100 g/cm³
Schmelzpunkt
1088,0 °C
Löslichkeit
Soluble

Molecular Descriptors

Exact Mass
121,9412
TPSA
63,2 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
6
Complexity
18,0

Verwandte Verbindungen

Ammonium Nitrate

NH₄NO₃

Calcium Chloride

CaCl₂

Potassium Dichromate

K₂Cr₂O₇

Zinc Chloride

ZnCl₂

Sodium Fluoride

NaF

Hydrogen Peroxide

H₂O₂

Iron(II) Sulfate

FeSO₄

Potassium Permanganate

KMnO₄

Sodium Hypochlorite

NaClO

Frequently Asked Questions

What is Sodium Silicate?
Sodium Silicate (Na₂SiO₃) is a industrial compound with the IUPAC name Sodium metasilicate.
What is the molecular weight of Sodium Silicate?
Sodium Silicate has a molar mass of 122.06 g/mol.
What state is Sodium Silicate at room temperature?
Sodium Silicate is a solid at room temperature.
Is Sodium Silicate organic or inorganic?
Sodium Silicate is classified as an inorganic compound.
What elements make up Sodium Silicate?
Sodium Silicate (Na₂SiO₃) is composed of Oxygen (O), Sodium (Na), Silicon (Si).