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  7. Tetraethoxysilane, 99.9%, Thermo Scientific Chemicals

Tetraethoxysilane, 99.9%, Thermo Scientific Chemicals

Product Code. 11343768
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Quantity:
100 g
500 g
2 kg
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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.

TRUSTED_SUSTAINABILITY

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

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
Sensitivity Moisture sensitive
Density 0.934 g/mL
Chemical Name or Material Tetraethoxysilane
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Safety and Handling

compliance-icons compliance-icons
Product Identifier
  • 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

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