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Tetraethoxysilane, 99.999+% (metals basis), Thermo Scientific Chemicals
$144.64 - $516.40
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
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.
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
| 168°C | |
| 78-10-4 | |
| Liquid | |
| C8H20O4Si | |
| MFCD00009062 | |
| 1422225 | |
| 14,3851 | |
| Soluble in ethanol and 2-propanol. | |
| CCO[Si](OCC)(OCC)OCC | |
| 208.329 | |
| 208.33 | |
| Pleasant | |
| Moisture sensitive | |
| Tetraethoxysilane |
| -85°C | |
| Colorless | |
| 50 g | |
| (C2H5O)4Si | |
| UN1292 | |
| 46°C (116°F) | |
| tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate | |
| BOTDANWDWHJENH-UHFFFAOYSA-N | |
| tetraethyl silicate | |
| 6517 | |
| ≥99.999% | |
| 1.382 | |
| 0.934 g/mL | |
| (metals basis) |
Safety and Handling
GHS H Statement
H226-H332-H319-H335
Flammable liquid and vapor.
Harmful if inhaled.
Causes serious eye irritation.
May cause respiratory irritation.
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 : Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: TETRAETHYL SILICATE
EINECSNumber : 201-083-8
RTECSNumber : VV9450000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only