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  6. Tetraethyl orthosilicate, 98%

Tetraethyl orthosilicate, 98%

Catalog No. p-3830537
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Catalog No. Quantity Packaging
AC157811000 100 mL Glass bottle
AC157812500 250 mL Glass bottle
AC157810010 1 L Glass bottle
AC157810025 2.5 L Glass bottle
AC157810100 10 L Plastic Drum
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Catalog No. AC157811000 Supplier Thermo Scientific Chemicals Supplier No. 157811000
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Description

CAS: 78-10-4 | C8H20O4Si | 208.33 g/mol

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.

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
Refractive Index 1.3820 to 1.3840
Linear Formula Si(OC2H5)4
Quantity 100 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

Hazard Category GHS Signal Word: Warning
Hazard Statement GHS H Statement:
Causes serious eye irritation.
Harmful if inhaled.
May cause respiratory irritation.
Flammable liquid and vapor.
Precautionary Statement GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
EINECSNumber 201-083-8

RUO – Research Use Only