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Molecule
1,1,3,3-Tetramethyl-1,3-Diphenyldisiloxane
CAS: 56-33-7 · C16H22OSi2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 56-33-7
- Molecular Formula
- C16H22OSi2
- Molecular Mass
- 286.52 g/mol
Identifiers
CAS Registry Number
56-33-7
SMILES
C[Si](C)(O[Si](C)(C)c1ccccc1)c1ccccc1
InChI Key
YQJPWWLJDNCSCN-UHFFFAOYSA-N
InChI
InChI=1S/C16H22OSi2/c1-18(2,15-11-7-5-8-12-15)17-19(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3
Names and Synonyms
- 1,1,3,3-Tetramethyl-1,3-Diphenyldisiloxane Synonym
- Disiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl- Synonym
- 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane Synonym
- 1,3-Diphenyltetramethyldisiloxane Synonym
- Bis(phenyldimethylsilyl) oxide Synonym
- D 6190 Synonym
- Bis(dimethylphenylsilyl) oxide Synonym
- Bis(dimethylphenylsilyl) ether Synonym
- 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Synonym
- sym-Diphenyltetramethyldisiloxane Synonym
- NSC 96791 Synonym
- [Dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 286.52 g/mol | CAS Common Chemistry |
| 286.523 g/mol | RDKit | |
| Density | 0.98 g/cm³ | CAS Common Chemistry |
| 0.976 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 156.5 °C | CAS Common Chemistry |
| Canonical SMILES | O([Si](C=1C=CC=CC1)(C)C)[Si](C=2C=CC=CC2)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C16H22OSi2/c1-18(2,15-11-7-5-8-12-15)17-19(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3 | CAS Common Chemistry |
| InChI Key | InChIKey=YQJPWWLJDNCSCN-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 291 °C (decomp) | CAS Common Chemistry |
| Name | 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane | CAS Common Chemistry |
| Heavy Atom Count | 19 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 4 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 9.23 Ų | RDKit |
| LogP | 3.2276000000000016 | RDKit |
| 3.2276 | RDKit | |
| Molar Refractivity | 88.20100000000005 cm³/mol | RDKit |
| Ring Count | 2 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.25 | RDKit |
| Exact Mass | 286.120918384 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
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| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
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120
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20
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| 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 = 286.52 g/mol; density = 0.980 g/mL. Edit any field — others recompute live.
