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Molecule
Phenyltris(Trimethylsiloxy)Silane
CAS: 2116-84-9 · C15H32O3Si4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 2116-84-9
- Molecular Formula
- C15H32O3Si4
- Molecular Mass
- 372.76 g/mol
Identifiers
CAS Registry Number
2116-84-9
SMILES
C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)c1ccccc1
InChI Key
LINXHFKHZLOLEI-UHFFFAOYSA-N
InChI
InChI=1S/C15H32O3Si4/c1-19(2,3)16-22(17-20(4,5)6,18-21(7,8)9)15-13-11-10-12-14-15/h10-14H,1-9H3
Names and Synonyms
- Phenyltris(Trimethylsiloxy)Silane Synonym
- DC 556 Synonym
- 1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane Synonym
- Dow 556 Fluid Synonym
- PD 5 Synonym
- PD 5 silicone Synonym
- Baysilon PD 5 Synonym
- Trisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]- Synonym
- Trisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-(trimethylsiloxy)- Synonym
- 1,1,1,5,5,5-Hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane Synonym
- Phenyltris(trimethylsiloxy)silane Synonym
- Dow Corning 556 Synonym
- Tris(trimethylsiloxy)phenylsilane Synonym
- Silicone DC 556 Synonym
- Dow Corning 556 Fluid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 372.76 g/mol | CAS Common Chemistry |
| 372.7620000000001 g/mol | RDKit | |
| 372.762 g/mol | RDKit | |
| Density | 0.92 g/cm³ | CAS Common Chemistry |
| 0.924 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 264-266 °C | CAS Common Chemistry |
| Canonical SMILES | O([Si](O[Si](C)(C)C)(O[Si](C)(C)C)C=1C=CC=CC1)[Si](C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C15H32O3Si4/c1-19(2,3)16-22(17-20(4,5)6,18-21(7,8)9)15-13-11-10-12-14-15/h10-14H,1-9H3 | CAS Common Chemistry |
| InChI Key | InChIKey=LINXHFKHZLOLEI-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -102 °C | CAS Common Chemistry |
| Name | Phenyltris(trimethylsiloxy)silane | CAS Common Chemistry |
| Heavy Atom Count | 22 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 7 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 27.69 Ų | RDKit |
| LogP | 4.387000000000004 | RDKit |
| 4.387 | RDKit | |
| Molar Refractivity | 105.12300000000005 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.6 | RDKit |
| Exact Mass | 372.14285100399997 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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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 = 372.76 g/mol; density = 0.920 g/mL. Edit any field — others recompute live.
