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Tetraethoxysilane, 99.999+% (metals basis), Thermo Scientific Chemicals

Product Code. 11328237
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Quantity:
50 g
250 g

Tetraethoxysilane is the main precursor material for the synthesis of zeolites and silicon dioxide, which is used in semiconductor industry. It is widely used as a cross linking agent in silicon polymers and in aerogel preparations.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 78-10-4
Molecular Formula C8H20O4Si
Molecular Weight (g/mol) 208.329
MDL Number MFCD00009062
InChI Key BOTDANWDWHJENH-UHFFFAOYSA-N
Synonym tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate
PubChem CID 6517
IUPAC Name tetraethyl silicate
SMILES CCO[Si](OCC)(OCC)OCC

Specifications

Boiling Point 168°C
Melting Point -85°C
Color Colorless
Physical Form Liquid
Quantity 250 g
Linear Formula (C2H5O)4Si
UN Number UN1292
Beilstein 1422225
Flash Point 46°C (116°F)
Merck Index 14,3851
Solubility Information Soluble in ethanol and 2-propanol.
Formula Weight 208.33
Percent Purity ≥99.999%
Odor Pleasant
Refractive Index 1.382
Sensitivity Moisture sensitive
Density 0.934 g/mL
Assay (metals basis)
Chemical Name or Material Tetraethoxysilane
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RUO – Research Use Only

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