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
| Product: | 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.