Tetraethyl orthosilicate

Synonym
Product Category
Product Code
CAS Number
MDL Number
Pubchem CID
Reaxys RN
Tetraethoxysilane, Tetraethyl silicate, TEOS, Dynasylan A
Non-Fluorochemicals
KUMI0F69
78-10-4
MFCD00009062
6517
1422225
image-155171-Trimethyl(trifluoromethyl)silane_reagent.png
Chemical Name
Molecular Formula
Molecular Weight
Assay
Appearance
Boilng Point
Packaging
Storage
Tetraethyl orthosilicate
Si(OCH3CH2)4
208.33
≥99%(GC)
Clear Colorless Liquid
168°C
50g,100g,250g,500g and 1kg
Store at room temperature
Tetraethyl orthosilicate (also named as Tetraethoxysilane,TEOS) is commonly used as a precursor to prepare xerogel. It is also used as silicone room temperature vulcanizing cross-linking agents and as a raw material for the synthesis of quartz and high-purity silica.
Ebulliometric measurement of vapor-liquid equilibria for four binary systems: methanol + silicon tetramethoxide, methanol + silicon tetraethoxide, ethanol + silicon tetramethoxide, and ethanol + silicon tetraethoxide. [1]
A New Route to Silicon Alkoxides from Silica. [2]
The Study of an Alcoholysis Reaction of Silicon Tetrafluoride with Alcohols and Magnesium to Prepare Tetraalkoxysilanes and Magnesium Fluoride. [3]
References:
[1] M.Kato, et al, J. Chem. Eng. Data, 1989, 34(2), pp 206-209.
[2] T.Kemmitt, et al, Aust. J. Chem., 1998, 51(11), pp 1031-1035.
[3] Z.Zhang, et al, Phosphorus Sulfur Silicon Relat Elem., 2015, 190(4), pp 567-573.
Signal Word
Hazard Statements
Precautionary Statements
HS Code
RIDADR
Legal Information
Danger
H226,H319,H332,H335
P210,P261,P280,P304+P340+P312,P337+P313,P403+P235
2920907090
UN 1292 3/PG III

1. Product Specification
2. Safety Data Sheet
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