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Tetraethyl Orthosilicate

CAS: 78-10-4 | C8H20O4Si

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 78-10-4
Molecular Formula: C8H20O4Si
Molecular Weight: 208.32999999999996 g/mol

Names and Synonyms:

Tetraethyl Orthosilicate
KBE 14
Silikat TES 28
ADC 68
SIT 7110.0
Tanapel DSR
ECOS 1
Dynasylan Silbond Condensed
SSG-HB 21N
E 28
T 1126
Dynasylan A
Ekos 1
Dynasylan TEOS-UHP
Si 28
Si 28 (coupling agent)
Silquest SIT 7110.0
Estel 1000
Silquest TEOS Pure
N 100 (silicate)
N 100
Silres BSOH 100
Ethyl Silicate A
Z 6697
AY 43-101
SOTEOS
TEOS Pure
WD 932
PG 121
TSLB 124
Ethyl silicate 28P
Ethyl silicate PHASE
KIEM-Silex OH
Remmers 300
T 0100 (ester)
ES 28P
Unisilan 74
T 0100
KBM 06
NSC 4790
PETEOS
LS 2340
T 1807
ES 45
Ethyl Silicate 45
Colcoat 6P
ES 140
Silicon tetraethoxide (Si(OC2H5)4)
LS 2430
KBE 04
Tetraethoxysilicon(IV)
TSL 8124
Ethyl silicate 28
Conservare OH
ES 100
Silicon ethoxide (Si(OEt)4)
Silicon tetraethoxide (Si(OEt)4)
TES 28
SI 42
Silikan L
ES 100 (silicate)
ES 28
Tetraethyl orthosilicate
ES 28 (ester)
Tetraethoxysilicon
Dynasil A
Silicon tetraethoxide
Silicon ethoxide
Tetraethoxysilane
Tetraethyl silicate
TEOS
Silane, tetraethoxy-
Ethyl orthosilicate
Ethyl silicate ((EtO)4Si)
Silicic acid (H4SiO4), tetraethyl ester

Identifiers:

SMILES:
CCO[Si](OCC)(OCC)OCC
InChI:
InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Topological

Property Value Source
Topological Polar Surface Area 36.92 Ų RDKit

Physical Properties

Property Value Source
LogP 1.568 RDKit
molecular_mass 208.33 g/mol Legacy Database
density 0.93 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Tetraethyl_orthosilicate None Legacy Database
cas-boiling-point 168.8 °C @ Press: 760 Torr None Legacy Database
cas-canonical-smile O(CC)[Si](OCC)(OCC)OCC None Legacy Database
cas-density 0.933 g/cm3 @ Temp: 20 °C None Legacy Database
cas-inchi InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3 None Legacy Database
cas-inchi-key InChIKey=BOTDANWDWHJENH-UHFFFAOYSA-N None Legacy Database
cas-melting-point -82.5 °C None Legacy Database
cas-name Tetraethoxysilane None Legacy Database
wikipedia-name Tetraethyl orthosilicate None Legacy Database

Molar

Property Value Source
Molar Refractivity 52.258000000000045 RDKit

Molecular

Property Value Source
Molecular Weight 208.32999999999996 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 208.11308565 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 13 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 4 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 8 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

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