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Molecule
Octadecyldimethylchlorosilane
CAS: 18643-08-8 · C20H43ClSi
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 18643-08-8
- Molecular Formula
- C20H43ClSi
- Molecular Mass
- 347.10 g/mol
Identifiers
CAS Registry Number
18643-08-8
SMILES
CCCCCCCCCCCCCCCCCC[Si](C)(C)Cl
InChI Key
GZGREZWGCWVAEE-UHFFFAOYSA-N
InChI
InChI=1S/C20H43ClSi/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(2,3)21/h4-20H2,1-3H3
Names and Synonyms
- Octadecyldimethylchlorosilane Common Name
- Silane, chlorodimethyloctadecyl- Synonym
- Chlorodimethyloctadecylsilane Synonym
- Octadecylchlorodimethylsilane Synonym
- Chlorooctadecyldimethylsilane Synonym
- Dimethyl(octadecyl)silyl chloride Synonym
- Dimethyl(octyldecyl)silyl chloride Synonym
- Octadecyldimethylchlorosilane Synonym
- Dimethyl(octadecyl)chlorosilane Synonym
- CDOS Synonym
- n-Octadecyldimethylchlorosilane Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 347.10 g/mol | CAS Common Chemistry |
| 347.10299999999995 g/mol | RDKit | |
| 347.103 g/mol | RDKit | |
| 347.1 g/mol | chempirical lib | |
| Canonical SMILES | Cl[Si](C)(C)CCCCCCCCCCCCCCCCCC | CAS Common Chemistry |
| InChI | InChI=1S/C20H43ClSi/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(2,3)21/h4-20H2,1-3H3 | CAS Common Chemistry |
| InChI Key | InChIKey=GZGREZWGCWVAEE-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 28-30 °C | CAS Common Chemistry |
| Name | Octadecyldimethylchlorosilane | CAS Common Chemistry |
| Heavy Atom Count | 22 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 17 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 8.691800000000002 | RDKit |
| 8.6918 | RDKit | |
| 8.86 | chempirical lib | |
| Molar Refractivity | 107.68800000000009 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 346.282255586 g/mol | RDKit |
| Boiling Point | 159 °C @ 0.1 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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8
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1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
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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
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MW = 347.10 g/mol. Edit any field — others recompute live.
