Tetraethyl orthosilicate
98%
Reagent
Code: #56629
Alias
TEOS, Tetraethoxysilane, Tetraethyl Orthosilicate
CAS Number
78-10-4
blur_circular Chemical Specifications
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Molecular Information
Weight
208.33 g/mol
Formula
C₈H₂₀O₄Si
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Registry Numbers
EC Number
201-083-8
MDL Number
MFCD00009062
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Physical Properties
Melting Point
-82°C
Boiling Point
168 °C(lit.)
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Storage & Handling
Density
0.933 g/mL at 20 °C(lit.)
Storage
room temperature
description Product Description
Used as a cross-linking agent in the production of silicone polymers, enhancing their durability and heat resistance. It is also employed in the synthesis of silica gels and nanoparticles, which are utilized in catalysts, coatings, and drug delivery systems. In the electronics industry, it serves as a precursor for thin films and insulating layers in semiconductor devices. Additionally, it is applied in the creation of protective coatings for optical fibers and as a binder in precision casting molds for metal components.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Purity (GC) | 98-100% |
| Refractive Index n20D | 1.381-1.385 |
| Appearance | Colorless liquid |
| Infrared Spectrometry | Conforms to Structure |
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