AL2CHEM SPECIALTIES AL T-99 TEOS

AL T-99 TEOS is high purity tetraethyl orthosilicate (TEOS) monomer.

Chemical Name: Tetraethyl orthosilicate

Functions: Binder, Crosslinking Agent, Drying Agent, Monomer

Chemical Family: Silicates

Labeling Claims: High Purity

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Base Chemicals Functions
CASE Ingredients Functions
Composite Materials Functions
Industrial Additives Functions
Empirical Formula
C8H20O4Si
CAS No.
78-10-4
EC No.
201-083-8

Features & Benefits

Labeling Claims
CASE Ingredients Features
Materials Features

Applications & Uses

Applicable Processes
Compatible Substrates & Surfaces
Applications
  • A component in zinc-rich corrosion-resistant coatings.
  • A binder in precision investment castings, or a second backup casting coating.
  • A cross-linking agent in sealants.
  • A raw material in sol-gel systems.
  • A component in protective coatings on glass, ceramic and plastic lens.
  • High-purity TEOS is a source of insulating SiO2 film deposited on semiconductors.
  • A raw material for synthetic quartz and high purity silica.
  • Drying agent for composites used electronics.

Properties

Physical Form
Appearance
Colorless transparent liquid
Typical Physical Properties
ValueUnitsTest Method / Conditions
Boiling Point168°C
Colormax. 20Pt/Co
Density (20/4°C)0.93
Flash Point45°C
Hydrolysable Chloridemax. 20ppm
Puritymin. 99.0%
Refractive Index (at 20°C)1.381