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Molecule
Tetrakis(Dimethylsiloxy)Silane
CAS: 17082-47-2 · C8H28O4Si5
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 17082-47-2
- Molecular Formula
- C8H28O4Si5
- Molecular Mass
- 328.74 g/mol
Identifiers
CAS Registry Number
17082-47-2
SMILES
C[SiH](C)O[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C
InChI Key
GTWPLTBXXGOHNT-UHFFFAOYSA-N
InChI
InChI=1S/C8H28O4Si5/c1-13(2)9-17(10-14(3)4,11-15(5)6)12-16(7)8/h13-16H,1-8H3
Names and Synonyms
- Tetrakis(Dimethylsiloxy)Silane Common Name
- Trisiloxane, 3,3-bis[(dimethylsilyl)oxy]-1,1,5,5-tetramethyl- Synonym
- Trisiloxane, 3,3-bis(dimethylsiloxy)-1,1,5,5-tetramethyl- Synonym
- 3,3-Bis[(dimethylsilyl)oxy]-1,1,5,5-tetramethyltrisiloxane Synonym
- Tetrakis(dimethylsiloxy)silane Synonym
- 3,3-Bis(dimethylsiloxy)-1,1,5,5-tetramethyltrisiloxane Synonym
- Tetrakis(dimethylsilyl)orthosilicate Synonym
- Tetrakis(dimethylsilyloxy)silane Synonym
- T 1915 Synonym
- TSL 8248 Synonym
- SIT 7278.0 Synonym
- 3,3-Bis(dimethylsilyloxy)-1,1,5,5-tetramethyltrisiloxane Synonym
- SIT 7278 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 328.74 g/mol | CAS Common Chemistry |
| 328.73800000000006 g/mol | RDKit | |
| 328.738 g/mol | RDKit | |
| Density | 0.89 g/cm³ | CAS Common Chemistry |
| 0.886 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 188-190 °C | CAS Common Chemistry |
| Canonical SMILES | O([SiH](C)C)[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C | CAS Common Chemistry |
| InChI | InChI=1S/C8H28O4Si5/c1-13(2)9-17(10-14(3)4,11-15(5)6)12-16(7)8/h13-16H,1-8H3 | CAS Common Chemistry |
| InChI Key | InChIKey=GTWPLTBXXGOHNT-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Tetrakis(dimethylsiloxy)silane | CAS Common Chemistry |
| Heavy Atom Count | 17 | 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 | 1.4219999999999997 | RDKit |
| 1.422 | RDKit | |
| Molar Refractivity | 85.60200000000003 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 328.08339202599996 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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8
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5
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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.
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MW = 328.74 g/mol; density = 0.890 g/mL. Edit any field — others recompute live.
