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Tetramethyl Orthosilicate
CAS: 681-84-5 | C4H12O4Si
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
681-84-5
Molecular Formula:
C4H12O4Si
Molecular Weight:
152.22199999999998 g/mol
Names and Synonyms:
Tetramethyl Orthosilicate
NIC-C 5
TO 588
WD 931
Methyl Silicate 51L
Methyl Silicate 40
MKC Silicate MS 39
MZ 51
OCD-T 2
NSC 67383
Dynasil M
Siluplex
TSL 8114
SIT 7510.0
LS 540
T 1980
Methyl Silicate 28
Methyl Silicate 39
KBM 04
TMOS
Silicon methoxide (Si(OMe)4)
Silicon tetramethoxide
Methyl silicate
Methyl silicate ((CH3)4SiO4)
Methyl orthosilicate
Tetramethyl orthosilicate
Tetramethyl silicate
Silane, tetramethoxy-
Tetramethoxysilane
Methyl silicate ((MeO)4Si)
Silicic acid (H4SiO4), tetramethyl ester
Identifiers:
SMILES:
CO[Si](OC)(OC)OC
InChI:
InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
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.
All Properties
Comprehensive physical and chemical properties
| Category | Property | Value | Source |
|---|---|---|---|
| Physical Properties | molecular_mass | 152.22 g/mol | Legacy Database |
| density | 1.03 g/cm³ | Legacy Database | |
| wikipedia_url | https://en.wikipedia.org/wiki/Tetramethyl_orthosilicate | Legacy Database | |
| cas-boiling-point | 121-122 °C @ Press: 760 Torr | Legacy Database | |
| cas-canonical-smile | O(C)[Si](OC)(OC)OC | Legacy Database | |
| cas-density | 1.032 g/cm3 @ Temp: 20 °C | Legacy Database | |
| cas-inchi | InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3 | Legacy Database | |
| cas-inchi-key | InChIKey=LFQCEHFDDXELDD-UHFFFAOYSA-N | Legacy Database | |
| cas-melting-point | -2 °C | Legacy Database | |
| cas-name | Tetramethoxysilane | Legacy Database | |
| wikipedia-name | Tetramethyl orthosilicate | Legacy Database | |
| LogP | 0.007599999999999829 | RDKit | |
| Molecular | Molecular Weight | 152.22199999999998 g/mol | RDKit |
| Exact | Exact Molecular Weight | 152.05048539400002 g/mol | RDKit |
| Heavy | Heavy Atom Count | 9 count | RDKit |
| Hydrogen | Hydrogen Bond Acceptors | 4 count | RDKit |
| Hydrogen Bond Donors | 0 count | RDKit | |
| Rotatable | Rotatable Bonds | 4 count | RDKit |
| Aromatic | Aromatic Ring Count | 0 count | RDKit |
| Topological | Topological Polar Surface Area | 36.92 Ų | RDKit |
| Molar | Molar Refractivity | 33.78999999999999 | RDKit |
