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Tetraethoxysilane structure
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Tetraethoxysilane

TL;DR: Tetraethoxysilane (CAS 78-10-4) is a chemical compound with molecular formula C8H20O4Si and molecular weight 208.11308 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

tetraethyl silicate

Also Known As: Tetraethyl orthosilicate, Tetraethoxysilane, Tetraethyl silicate, TEOS, Dynasil A

CAS Number
78-10-4
Molecular Formula
C8H20O4Si
Molecular Weight
208.11308 g/mol
Appearance
liquid
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Application Areas

Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (258 patents) Analytical Reagents (816 patents) Biotechnology (420 patents) Catalysts (4806 patents) Coatings & Adhesives (3745 patents)

Technical Specifications

Molecular FormulaC8H20O4Si
Molecular Weight208.11308 g/mol
XLogP1.57
Topological Polar Surface Area (TPSA)36.9 Ų
Hydrogen Bond Donors0
Hydrogen Bond Acceptors4
Rotatable Bonds8
Exact Mass208.11308 Da
Heavy Atoms13
Complexity91.0
Appearanceliquid
Purity98%
Melting Point-121.9 °F (USCG, 1999)
Boiling Point336 °F at 760 mmHg (USCG, 1999)
Density0.933 at 68 °F (USCG, 1999) - Less dense than water; will float
Flash Point99 °F (USCG, 1999)
Vapor Pressure1 mmHg (NIOSH, 2024)
Refractive IndexIndex of refraction: 1.3818 atT 25 °C/D
SolubilityReacts with water (NIOSH, 2024)
SMILESCCO[Si](OCC)(OCC)OCC
InChIKeyBOTDANWDWHJENH-UHFFFAOYSA-N

Product Description

Applications: Application Commonly used as a precursor to prepare xerogel Tetraethyl orthosilicate can be used: As a sol-gel precursor to synthesize SiO2-TiO2 anti-reflective self-cleaning coatings for solar cells. To fabricate nano silica functionalized crosslinked hybrid membranes for proton exchange membrane fuel cell applications. These membranes have better proton conductivity and thermal stability. To prepare poly(vinylidene fluoride)/TEOS matrix separator to enhance the performance of Li-ion batteries.

Chemical Property Profile of Tetraethoxysilane

XLogP
1.57
TPSA (Topological Polar Surface Area)
36.9
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
8
Heavy Atoms
13
Complexity
91.0
Exact Mass
208.11308
Monoisotopic Mass
208.11308
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Tetraethoxysilane

The XLogP value of 1.57 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Tetraethoxysilane. With a topological polar surface area (TPSA) of 36.9 Ų, Tetraethoxysilane exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Tetraethoxysilane has 0 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of Tetraethoxysilane?

The CAS number of Tetraethoxysilane is 78-10-4.

What is the molecular formula of Tetraethoxysilane?

The molecular formula of Tetraethoxysilane is C8H20O4Si.

What is the molecular weight of Tetraethoxysilane?

The molecular weight of Tetraethoxysilane is 208.11308 g/mol.

What does Tetraethoxysilane look like?

Tetraethoxysilane appears as liquid.

What are the applications of Tetraethoxysilane?

Application Commonly used as a precursor to prepare xerogel Tetraethyl orthosilicate can be used: As a sol-gel precursor to synthesize SiO2-TiO2 anti-reflective self-cleaning coatings for solar cells. To fabricate nano silica functionalized crosslinked hybrid membranes for proton exchange...

Where can I buy Tetraethoxysilane?

You can request a quote for Tetraethoxysilane directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for Tetraethoxysilane?

Yes, CoreyChem provides custom synthesis services for Tetraethoxysilane and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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