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Molecule
Trimethylpentaphenyltrisiloxane
CAS: 3390-61-2 · C33H34O2Si3
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 3390-61-2
- Molecular Formula
- C33H34O2Si3
- Molecular Mass
- 546.89 g/mol
Identifiers
CAS Registry Number
3390-61-2
SMILES
C[Si](O[Si](C)(c1ccccc1)c1ccccc1)(O[Si](C)(c1ccccc1)c1ccccc1)c1ccccc1
InChI Key
PHLASVAENYNAOW-UHFFFAOYSA-N
InChI
InChI=1S/C33H34O2Si3/c1-36(29-19-9-4-10-20-29,30-21-11-5-12-22-30)34-38(3,33-27-17-8-18-28-33)35-37(2,31-23-13-6-14-24-31)32-25-15-7-16-26-32/h4-28H,1-3H3
Names and Synonyms
- Trimethylpentaphenyltrisiloxane Synonym
- Trisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl- Synonym
- 1,3,5-Trimethyl-1,1,3,5,5-pentaphenyltrisiloxane Synonym
- DC 705 Synonym
- Dow Corning 705 Synonym
- HIVAC F 5 Synonym
- Pentaphenyltrimethyltrisiloxane Synonym
- Silicone DC 705 Synonym
- PDM 7050 Synonym
- PH 1555HRI Cosmetic Fluid Synonym
- PH 1555 Synonym
- PH 1555HRI Synonym
- Dow Corning 555 Synonym
- DC 555 Synonym
- Dow Corning 555 Cosmetic Fluid Synonym
- FZ 3156 Synonym
- F 5 Synonym
- Shin-Etsu F 5 Synonym
- Dow Corning PH 1555HRI Synonym
- Trimethylpentaphenyltrisiloxane Synonym
- Hivac F 5 Synonym
- 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane Synonym
- 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 546.89 g/mol | CAS Common Chemistry |
| 546.8910000000003 g/mol | RDKit | |
| 546.891 g/mol | RDKit | |
| Density | 1.09 g/cm³ | CAS Common Chemistry |
| 1.093 g/cm3 | CAS Common Chemistry | |
| Canonical SMILES | O([Si](O[Si](C=1C=CC=CC1)(C=2C=CC=CC2)C)(C=3C=CC=CC3)C)[Si](C=4C=CC=CC4)(C=5C=CC=CC5)C | CAS Common Chemistry |
| InChI | InChI=1S/C33H34O2Si3/c1-36(29-19-9-4-10-20-29,30-21-11-5-12-22-30)34-38(3,33-27-17-8-18-28-33)35-37(2,31-23-13-6-14-24-31)32-25-15-7-16-26-32/h4-28H,1-3H3 | CAS Common Chemistry |
| InChI Key | InChIKey=PHLASVAENYNAOW-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -25 °C | CAS Common Chemistry |
| Name | Trimethylpentaphenyltrisiloxane | CAS Common Chemistry |
| Heavy Atom Count | 38 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 9 | RDKit |
| Aromatic Ring Count | 5 | RDKit |
| Topological Polar Surface Area | 18.46 Ų | RDKit |
| LogP | 4.778200000000004 | RDKit |
| 4.7782 | RDKit | |
| Molar Refractivity | 167.4039999999995 cm³/mol | RDKit |
| Ring Count | 5 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0909 | RDKit |
| 0.09 | chempirical lib | |
| Exact Mass | 546.186659918 g/mol | RDKit |
| Boiling Point | 240-245 °C @ 0.5 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
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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 = 546.89 g/mol; density = 1.090 g/mL. Edit any field — others recompute live.
