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Tetraethoxysilane, 99.9%, 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 |
| Product Code | Brand | Quantity | Price | Quantity & Availability | |||||
|---|---|---|---|---|---|---|---|---|---|
| Product Code | Brand | Quantity | Price | Quantity & Availability | |||||
|
11343768
|
Thermo Scientific Alfa Aesar
040251.22 |
100 g |
N/A
|
N/A | |||||
|
11333768
|
Thermo Scientific Alfa Aesar
040251.36 |
500 g |
N/A
|
N/A | |||||
|
11480251
|
Thermo Scientific Alfa Aesar
040251.A3 |
2 kg |
N/A
|
N/A | |||||
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 cross linking agents 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 | |
| 99.9% | |
| MFCD00009062 | |
| 46°C (116°F) | |
| Soluble in ethanol and 2-propanol. | |
| CCO[Si](OCC)(OCC)OCC | |
| 208.329 | |
| 208.33 | |
| Moisture sensitive | |
| Tetraethoxysilane |
| °C to 85°C | |
| Liquid | |
| C8H20O4Si | |
| 1422225 | |
| tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate | |
| BOTDANWDWHJENH-UHFFFAOYSA-N | |
| tetraethyl silicate | |
| 6517 | |
| 1.382 | |
| 0.934 g/mL |
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
missing translation for 'dotInformation' : Hazard Class: 3; Packaging Group: III
missing translation for 'einecsNumber' : 201-083-8
missing translation for 'rtecsNumber' : VV9450000
missing translation for 'tsca' : Yes
Recommended Storage : Ambient temperatures
Product Identifier
Signal Word
Hazard Category
Hazard Statement
Precautionary Statement
Supplemental information
- Tetraethoxysilane
Signal Word
- Warning
Hazard Category
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Flammable liquid Category 3
- Specific target organ toxicity Category 3
Hazard Statement
- H226-Flammable liquid and vapour.
- H319-Causes serious eye irritation.
- H332-Harmful if inhaled.
- H335-May cause respiratory irritation.
Precautionary Statement
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Supplemental information
- MIXTURE LIST-Contains : Tetraethoxysilane
RUO – Research Use Only