Tetraethyl orthosilicate

Synonym: TEOS, Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, Tetraethoxysilane, Tetraethoxysilicon(IV), Tetraethyl silicate

MFCD00009062 | 201-083-8

Product Tetraethyl orthosilicate has been discontinued.
Tetraethyl orthosilicate Chemical Structure

Overview

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Tetraethyl orthosilicate contact us at sales@ereztech.com

Product Code SI8104
Product Name Tetraethyl orthosilicate
CAS Number 78-10-4
Molecular formula C8H20O4Si
Linear formula Si(OC2H5)4
Molecular weight 208.33
Form liquid
Melting point -82.5C
Boiling point 168C
UOM L
Sensitivity moisture

Test Specification

Assay (purity) 98%+
Purity method by GC
Appearance colorless liquid

Safety Information

Signal word WARNING
Pictograms GHS02 FlammableGHS07 Harmful - Irritant
UN 1292
Transport description TETRAETHYL SILICATE
Hazardous class 3
Packing group III
In TSCA registry Yes
Flash point 45C

External Identifiers for TEOS

Pubchem CID 6517
SMILES [Si](OCC)(OCC)(OCC)OCC
IUPAC Name tetraethylsilicate
InchI Identifier InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
InchI Key BOTDANWDWHJENH-UHFFFAOYSA-N