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Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich

Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich
Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich
Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich
Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich

Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich Specification

  • Boiling point
  • ~168 C
  • Molecular Formula
  • Si(OC H )
  • Shelf Life
  • 3 Years
  • Size
  • 1Ltr
  • Density
  • 0.933 Gram per millilitre (g/mL)
  • Purity
  • 98%
  • Melting Point
  • ~-82 C
  • Physical State
  • Liquid
  • Molecular Weight
  • 208.33 g/mol Carat
  • Flash Point
  • ~45 C
  • CAS No
  • 78-10-4
  • Packaging Type
  • Glass Bottle
  • Ph Level
  • Not applicable
  • Usage
  • Laboratory
  • Grade
  • Reagent Grade / LR (Laboratory Reagent)
  • Type
  • Scientific Lab Chemicals
  • Application
  • Laboratory
  • Appearance
  • Colorless clear liquid
  • Purity(%)
  • ~98% (GC)
 

Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich Trade Information

  • Minimum Order Quantity
  • 10 Bottles
  • Delivery Time
  • 5 Days
 

Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich About

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 99.0% (GC) 1Ltr Sigma-Aldrich
Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich
Tetraethyl orthosilicate 99.0% (GC) 1Ltr Sigma-Aldrich
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