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Tetraethoxysilane, 99.9%, Thermo Scientific Chemicals
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.

Specifications
Spezifikation
Boiling Point | 168°C |
Melting Point | °C to 85°C |
Physical Form | Liquid |
Quantity | 100 g |
Assay Percent Range | 99.9% |
Beilstein | 1422225 |
Flash Point | 46°C (116°F) |
Solubility Information | Soluble in ethanol and 2-propanol. |
Formula Weight | 208.33 |
Refractive Index | 1.382 |
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Sicherheit und Handhabung


- Tetraethoxysilane
- Warning
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Flammable liquid Category 3
- Specific target organ toxicity Category 3
- H226-Flammable liquid and vapour.
- H319-Causes serious eye irritation.
- H332-Harmful if inhaled.
- H335-May cause respiratory irritation.
- 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.
- MIXTURE LIST-Contains : Tetraethoxysilane
RUO – Research Use Only
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