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Tetraethoxysilane, 99+%
CAS: 78-10-4 | C8H20O4Si | 208.329 g/mol
$82.68 - $111.12
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 |
Description
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
| 78-10-4 | |
| 208.329 | |
| BOTDANWDWHJENH-UHFFFAOYSA-N | |
| 6517 | |
| CCO[Si](OCC)(OCC)OCC |
| C8H20O4Si | |
| MFCD00009062 | |
| tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate | |
| tetraethyl silicate |
Specifications
| 78-10-4 | |
| 0.934 g/mL | |
| 46°C (116°F) | |
| C8H20O4Si | |
| MFCD00009062 | |
| 1422225 | |
| tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate | |
| BOTDANWDWHJENH-UHFFFAOYSA-N | |
| tetraethyl silicate | |
| 6517 | |
| Liquid |
| 85°C | |
| 168°C | |
| >99% | |
| 1.382 | |
| 50 g | |
| Moisture sensitive | |
| Soluble in ethanol and 2-propanol. | |
| CCO[Si](OCC)(OCC)OCC | |
| 208.329 | |
| 208.33 | |
| Tetraethoxysilane |
Safety and Handling
P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P370+P378q-P501c
H226-H319-H332-H335
DOTInformation : Hazard Class: 3; Packaging Group: III
EINECSNumber : 201-083-8
RTECSNumber : VV9450000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only