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Molecule
Hexamethyldisilane
CAS: 1450-14-2 · C6H18Si2
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 1450-14-2
- Molecular Formula
- C6H18Si2
- Molecular Mass
- 146.38 g/mol
Identifiers
CAS Registry Number
1450-14-2
SMILES
C[Si](C)(C)[Si](C)(C)C
InChI Key
NEXSMEBSBIABKL-UHFFFAOYSA-N
InChI
InChI=1S/C6H18Si2/c1-7(2,3)8(4,5)6/h1-6H3
Names and Synonyms
- Hexamethyldisilane Common Name
- Disilane, 1,1,1,2,2,2-hexamethyl- Synonym
- Disilane, hexamethyl- Synonym
- 1,1,1,2,2,2-Hexamethyldisilane Synonym
- Hexamethyldisilane Synonym
- Permethyldisilane Synonym
- NSC 294211 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 146.38 g/mol | CAS Common Chemistry |
| 146.38199999999998 g/mol | RDKit | |
| 146.382 g/mol | RDKit | |
| Density | 0.73 g/cm³ | CAS Common Chemistry |
| 0.729 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Hexamethyldisilane | CAS Common Chemistry |
| Boiling Point | 113.5 °C | CAS Common Chemistry |
| Canonical SMILES | C[Si](C)(C)[Si](C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C6H18Si2/c1-7(2,3)8(4,5)6/h1-6H3 | CAS Common Chemistry |
| InChI Key | InChIKey=NEXSMEBSBIABKL-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 13.5 °C | CAS Common Chemistry |
| Name | Hexamethyldisilane | CAS Common Chemistry |
| Heavy Atom Count | 8 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 2.741200000000001 | RDKit |
| 2.7412 | RDKit | |
| Molar Refractivity | 46.69200000000002 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 146.094703636 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
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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 = 146.38 g/mol; density = 0.730 g/mL. Edit any field — others recompute live.
