307815
Sodium metasilicate
Synonym(s):
Disodium metasilicate, Disodium silicate, Sodium silicate, Sodium silicon oxide
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About This Item
Linear Formula:
Na2SiO3
CAS Number:
Molecular Weight:
122.06
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22
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composition
SiO2, 50-53%
Quality Level
SMILES string
[Na+].[Na+].[O-][Si]([O-])=O
InChI
1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2
InChI key
NTHWMYGWWRZVTN-UHFFFAOYSA-N
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General description
SMS is a silicon source for silica materials and can be used as a chemical intermediate for silica gel catalysts.
Application
Reactant for:
- Hydrothermal preparation of thorium uranium silicate (Th1-xUxSiO4) uranothorite solid solutions
- Fabrication of dense NaA zeolite coatings
- Reactant for preparation of tungsten modified silica as catalyst for liquid phase oxidation of styrene
Sodium metasilicate (SMS) has been used in the preparation of polypyrrole/sodium metasilicate (PPy/Na2SiO3) and polythiophene/sodium metasilicate (PT/Na2SiO3) composites, novel high dielectric constant materials for use in power electronic systems.
SMS can also be used:
SMS can also be used:
- To prepare NaZnSiO3OH, a novel chiral framework material which has potential application in ion exchange, adsorption and catalysis.
- As a low-cost alternative to tetraethyl orthosilicate (TEOS) to synthesize highly ordered mesoporous silicas.
- To prepare geopolymer concrete.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Synthesis of highly ordered mesoporous silica materials using sodium silicate and amphiphilic block copolymers.
Kim J M and Stucky G D
Chemical Communications (Cambridge, England), 13, 1159-1160 (2000)
J Najda et al.
Biological trace element research, 42(1), 63-70 (1994-07-01)
The effect of an excessive inorganic silicon oral intake on the activity of basic antioxidant enzymes was studied in rats. Activities of superoxide dismutase, catalase, and glutathione peroxidase were measured in liver and kidney tissues of animals receiving per os
Highly porous silica networks derived from gelatin/siloxane hybrids prepared starting from sodium metasilicate
Retuert J, et al.
Journal of Non-Crystalline Solids, 347(1-3), 273-278 (2004)
C D Seaborn et al.
Biological trace element research, 89(3), 239-250 (2002-12-05)
Both arginine and silicon affect collagen formation and bone mineralization. Thus, an experiment was designed to determine if dietary arginine would alter the effect of dietary silicon on bone mineralization and vice versa. Male weanling Sprague-Dawley rats were assigned to
A Comparative Study on Strength Improvement of Concrete by Using Fly Ash Based Geopolymer.
Anand A, et al.
International Research Journal of Engineering and Technology (IRJET), 5(4), 4819-4821 (2018)
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