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Tetraethoxysilane, 99.9%, Thermo Scientific Chemicals

58.39 EUR - 299.49 EUR

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
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Products 3
Product Code Brand Quantity Price Quantity & Availability  
Product Code Brand Quantity Price Quantity & Availability  
11343768
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Thermo Scientific Alfa Aesar
040251.22
100 g
58.39 EUR
100g
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11333768
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Thermo Scientific Alfa Aesar
040251.36
500 g
90.15 EUR
500g
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11480251
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Thermo Scientific Alfa Aesar
040251.A3
2 kg
299.49 EUR
2kg
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Description

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

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
Videos
Safety and Handling

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

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missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

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

SDS
Documents

Documents

Product Certifications

RUO – Research Use Only

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