Tetraethyl orthosilicate, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10551981	Thermo Scientific Acros 157811000	100 mL	Glass bottle
10679223	Thermo Scientific Acros 157812500	250 mL	Glass bottle
10357570	Thermo Scientific Acros 157810010	1 L	Glass bottle
10723084	Thermo Scientific 157810025	2.5 L	Glass bottle
15204654	Thermo Scientific Acros 157810100	10 L	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.

Chemical Identifiers

• CAS: 78-10-4
• Molecular Weight (g/mol): 208.33
• InChI Key: BOTDANWDWHJENH-UHFFFAOYSA-N
• PubChem CID: 6517
• SMILES: CCO[Si](OCC)(OCC)OCC

• Molecular Formula: C₈H₂₀O₄Si
• MDL Number: MFCD00009062
• Synonym: tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate
• IUPAC Name: tetraethyl silicate

Specifications

• CAS: 78-10-4
• Density: 0.9400g/mL
• Flash Point: 45°C
• Assay Percent Range: 1% max. Ethanol (GC)
• Linear Formula: Si(OC₂H₅)₄
• MDL Number: MFCD00009062
• Merck Index: 15,3903
• Synonym: tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate
• InChI Key: BOTDANWDWHJENH-UHFFFAOYSA-N
• IUPAC Name: tetraethyl silicate
• PubChem CID: 6517
• Formula Weight: 208.33
• Physical Form: Liquid

• Melting Point: -77.0°C
• Boiling Point: 166.0°C to 169.0°C
• Infrared Spectrum: Authentic
• Molecular Formula: C₈H₂₀O₄Si
• Refractive Index: 1.3820 to 1.3840
• Beilstein: 01,334
• Specific Gravity: 0.94
• Solubility Information: Solubility in water: hydrolysis. Other solubilities: miscible with alcohol, hydrocarbons, aromatics,, esters, ketones,, slightly soluble in benzene
• SMILES: CCO[Si](OCC)(OCC)OCC
• Molecular Weight (g/mol): 208.33
• Viscosity: 0.75 mPa.s (20°C)
• Percent Purity: 98%
• Chemical Name or Material: Tetraethyl orthosilicate

Safety and Handling

GHS H Statement:
Causes serious eye irritation.
Harmful if inhaled.
May cause respiratory irritation.
Flammable liquid and vapor.

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.

GHS Signal Word: Warning

missing translation for 'einecsNumber' : 201-083-8

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