Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich

Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich

Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich

Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich Specification

Molecular Weight
208.33 g/mol Grams (g)

Melting Point
77 C

Usage
Laboratory

Density
0.933 Gram per millilitre (g/mL)

Flash Point
45 C

Size
500ml

Shelf Life
1 Years

Molecular Formula
C H O Si

Boiling point
168 C

Packaging Type
Glass Bottle

Ph Level
Not applicable

Physical State
Liquid

CAS No
78-10-4

Purity
98%

Grade
Reagent Grade

Type
Industrial Lab Chemicals

Application
Laboratory

Appearance
Colorless liquid

Purity(%)
98%

Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich Trade Information

Minimum Order Quantity
20 Bottles

Payment Terms
Cash in Advance (CID)

Supply Ability
4000 Bottles Per Month

Delivery Time
5 Days

Main Domestic Market
All India

About Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich

Tetraethyl orthosilicate (TEOS) reagent grade, 98%, is a colorless liquid alkoxide primarily used as a precursor for silicon dioxide (SiO2) thin film deposition. It's also utilized in the creation of hydrogels, nanoparticle-based drug delivery systems, and as a chemical crosslinking agent for polymers. TEOS is known by several other names, including ethyl silicate (though this can be ambiguous), silicon tetraethoxide, and tetraethoxysilane. Key Characteristics and Uses:

Chemical Formula: Si(OC2H5)4
Molecular Weight: 208.33 g/mol
CAS Number: 78-10-4
Reagent Grade: 98% purity
Applications:
- Silicon Dioxide (SiO2) Thin Films: TEOS serves as a key precursor for depositing SiO2 films, widely used in the semiconductor industry and for other applications.
- Hydrogels: TEOS is used in the formation of hydrogels, which are networks of polymer chains that can absorb large amounts of water.
- Nanoparticle-based Drug Delivery: TEOS can be employed to create silica nanoparticles, which are used in drug delivery systems.
- Crosslinking Agent: TEOS can act as a crosslinking agent in silicone polymers, increasing their strength and durability.
- Other Uses: TEOS is also utilized in the synthesis of zeolites, coatings for various materials, and the production of aerogel.

Important Considerations:

Solubility: TEOS is practically insoluble in water but is miscible with alcohol.
Decomposition: It slowly decomposes in the presence of water.
Commercial Production: TEOS is commercially produced by reacting ethanol with metallic silicon

Tetraethyl Orthosilicate Reagent Grade 98% 500ml Sigma-Aldrich

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