Silicic Acid Esters | Silicates | Polysilicates | Orthosilicates | Silane Passivating Agents

SiSiB® PC5420

Tetraethoxysilane (TEOS) .
Synonym: Тетраэтокси-силан
Tetraethyl Orthosilicate
Ethyl Polysilicate 28
Ethyl Silicate 28

Countertype of Evonik DYNASIL A, Catylen D1000, DowCorning Z-6697, ShinEtsu KBE-04, Wacker SILICATE TES 28, Silquest TEOS


Chemical Structure


Introduction

SiSiB® PC5420, the ethyl ester of orthosilicic acid, is a colorless, low-viscosity liquid with an SiO2 content of 28.5%.

Typical Physical Properties

Chemical Name: Tetraethoxysilane
CAS No.: 78-10-4
EINECS No.: 232-136-3
Empirical Formula: C4H20O4Si
Molecular Weight: 208.3
Boiling Point: 168°C [760mmHg]
Flash Point: 46°C
 
Color and Appearance: Colorless transparent liquid
Density [25°C]: 0.934
Refractive Index [25°C]: 1.3838 [25°C]
Purity: Min.99.0% by GC

Applications

SiSiB® PC5420 may be used as an inorganic binder for refractory fillers and pigments, like precision investment castings.


SiSiB® PC5420 may be used as a second backup casting coating. It cures faster than colloidal silica system.


SiSiB® PC5420 may be hydrolyzed to form silicon dioxide (silica).


SiSiB® PC5420 may be used as a binder in zinc-rich (corrosion resistant) coating.


SiSiB® PC5420 may be used as a starting material for sol-gel process.


SiSiB® PC5420 may be used as a crosslinking agent for silicone sealant.


SiSiB® PC5420 may be used as a drying agent in sealing compositions.


SiSiB® PC5420 may be used as a chemical intermediate


Packings

Net weight 190Kg steel drum or 900Kg IBC container, for more details, please visit Packing Centre.

Technical Library

Download Technical Data Sheet Safety Data Sheet 中文

Search    

Download SiSiB® SILANES & SILICONES 2014