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Molecule
Tris(Trimethylsilyl)Silane
CAS: 1873-77-4 · C9H28Si4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 1873-77-4
- Molecular Formula
- C9H28Si4
- Molecular Mass
- 248.67 g/mol
Identifiers
CAS Registry Number
1873-77-4
SMILES
C[Si](C)(C)[SiH]([Si](C)(C)C)[Si](C)(C)C
InChI Key
SQMFULTZZQBFBM-UHFFFAOYSA-N
InChI
InChI=1S/C9H28Si4/c1-11(2,3)10(12(4,5)6)13(7,8)9/h10H,1-9H3
Names and Synonyms
- Tris(Trimethylsilyl)Silane Common Name
- Trisilane, 1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)- Synonym
- 1,1,1,3,3,3-Hexamethyl-2-(trimethylsilyl)trisilane Synonym
- Tris(trimethylsilyl)silane Synonym
- TTMSS Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 248.67 g/mol | CAS Common Chemistry |
| 248.66699999999994 g/mol | RDKit | |
| 248.667 g/mol | RDKit | |
| Density | 0.81 g/cm³ | CAS Common Chemistry |
| 0.806 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Tris(trimethylsilyl)silane | CAS Common Chemistry |
| Canonical SMILES | C[Si](C)(C)[SiH]([Si](C)(C)C)[Si](C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C9H28Si4/c1-11(2,3)10(12(4,5)6)13(7,8)9/h10H,1-9H3 | CAS Common Chemistry |
| InChI Key | InChIKey=SQMFULTZZQBFBM-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Tris(trimethylsilyl)silane | CAS Common Chemistry |
| Heavy Atom Count | 13 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 3.463300000000002 | RDKit |
| 3.4633 | RDKit | |
| Molar Refractivity | 77.18700000000004 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 248.126807016 g/mol | RDKit |
| Boiling Point | 82-84 °C @ 12 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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3
2
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 |
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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 = 248.67 g/mol; density = 0.810 g/mL. Edit any field — others recompute live.
