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  6. Tetraethyl orthosilicate, 98%, Thermo Scientific Chemicals

Tetraethyl orthosilicate, 98%, Thermo Scientific Chemicals

Product Code. 10679223
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Quantity:
100 mL
250 mL
1 L
2.5 L
10 L
Packaging:
Glass bottle
Plastic Drum

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics 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) 208.33
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

Melting Point -77.0°C
Density 0.9400g/mL
Boiling Point 166.0°C to 169.0°C
Flash Point 45°C
Infrared Spectrum Authentic
Assay Percent Range 1% max. Ethanol (GC)
Packaging Glass bottle
Linear Formula Si(OC2H5)4
Refractive Index 1.3820 to 1.3840
Quantity 250 mL
Beilstein 01,334
Merck Index 15,3903
Specific Gravity 0.94
Solubility Information Solubility in water: hydrolysis. Other solubilities: miscible with alcohol, hydrocarbons, aromatics,, esters, ketones,, slightly soluble in benzene
Viscosity 0.75 mPa.s (20°C)
Formula Weight 208.33
Percent Purity 98%
Physical Form Liquid
Chemical Name or Material Tetraethyl orthosilicate
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Safety and Handling

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Product Identifier
  • Tetraethyl orthosilicate
 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
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
  • H332-Harmful if inhaled.
  • H226-Flammable liquid and vapour.
 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.

RUO – Research Use Only

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