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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 Mass:
208.33 g/mol
Names and Synonyms:
Tetraethyl Orthosilicate
Silicic acid (H4SiO4), tetraethyl ester
Ethyl silicate ((EtO)4Si)
Ethyl orthosilicate
Silane, tetraethoxy-
TEOS
Tetraethyl silicate
Tetraethoxysilane
Silicon ethoxide
Silicon tetraethoxide
Dynasil A
Tetraethoxysilicon
ES 28 (ester)
Tetraethyl orthosilicate
ES 28
ES 100 (silicate)
Silikan L
SI 42
TES 28
Silicon tetraethoxide (Si(OEt)4)
Silicon ethoxide (Si(OEt)4)
ES 100
Conservare OH
Ethyl silicate 28
TSL 8124
Tetraethoxysilicon(IV)
KBE 04
LS 2430
Silicon tetraethoxide (Si(OC2H5)4)
ES 140
Colcoat 6P
Ethyl Silicate 45
ES 45
T 1807
LS 2340
PETEOS
NSC 4790
KBM 06
T 0100
Unisilan 74
ES 28P
T 0100 (ester)
Remmers 300
KIEM-Silex OH
Ethyl silicate PHASE
Ethyl silicate 28P
TSLB 124
PG 121
WD 932
TEOS Pure
SOTEOS
AY 43-101
Z 6697
Ethyl Silicate A
Silres BSOH 100
N 100
N 100 (silicate)
Silquest TEOS Pure
Estel 1000
Silquest SIT 7110.0
Si 28 (coupling agent)
Si 28
Dynasylan TEOS-UHP
Ekos 1
Dynasylan A
T 1126
E 28
SSG-HB 21N
Dynasylan Silbond Condensed
ECOS 1
Tanapel DSR
SIT 7110.0
ADC 68
Silikat TES 28
KBE 14
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
Key Properties
Boiling Point
168.8 °C @ Press: 760 Torr
CAS Common Chemistry
Melting Point
-82.5 °C
CAS Common Chemistry
Density
0.93 g/cm³
CAS Common Chemistry
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 208.33 g/mol | CAS Common Chemistry |
| 208.32999999999996 g/mol | RDKit | |
| 208.11308565 g/mol | RDKit | |
| Density | 0.93 g/cm³ | CAS Common Chemistry |
| 0.933 g/cm3 @ Temp: 20 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Tetraethyl_orthosilicate | CAS Common Chemistry |
| Boiling Point | 168.8 °C @ Press: 760 Torr | CAS Common Chemistry |
| Canonical SMILES | O(CC)[Si](OCC)(OCC)OCC | CAS Common Chemistry |
| InChI | InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3 | CAS Common Chemistry |
| InChI Key | InChIKey=BOTDANWDWHJENH-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -82.5 °C | CAS Common Chemistry |
| Name | Tetraethoxysilane | CAS Common Chemistry |
| Tetraethyl orthosilicate | CAS Common Chemistry | |
| Heavy Atom Count | 13 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 8 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 36.92 Ų | RDKit |
| LogP | 1.568 | RDKit |
| Molar Refractivity | 52.258000000000045 | RDKit |
