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Tetraethoxysilane, 99+%

Catalog No. aa1408236
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Quantity:
50 g
500 g
Catalog No. Quantity
AA1408236 500 g
AA1408218 50 g
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Catalog No. AA1408236

Supplier: Thermo Scientific Chemicals 01408236

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Description

CAS: 78-10-4 | C8H20O4Si | 208.329 g/mol

As a binding agent and as a polymerization catalystTetraethoxysilane 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.

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

Melting Point 85°C
Density 0.934 g/mL
Boiling Point 168°C
Flash Point 46°C (116°F)
Assay Percent Range >99%
Refractive Index 1.382
Quantity 500 g
Beilstein 1422225
Sensitivity Moisture sensitive
Solubility Information Soluble in ethanol and 2-propanol.
Formula Weight 208.33
Physical Form Liquid
Chemical Name or Material Tetraethoxysilane
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Safety and Handling

Hazard Category H226-H319-H332-H335
Precautionary Statement P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P370+P378q-P501c
DOTInformation Hazard Class: 3; Packaging Group: III
EINECSNumber 201-083-8
RTECSNumber VV9450000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only