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Cas Database |
| Name |
1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane |
EINECS | 222-222-9 |
| CAS No. | 3390-61-2 | Density | 1.09g/cm3 |
| PSA | 18.46000 | LogP | 4.77820 |
| Solubility | insoluble | Melting Point |
-25°C |
| Formula | C33H34O2Si3 | Boiling Point | 560.2 °C at 760 mmHg |
| Molecular Weight | 546.888 | Flash Point | 238.3 °C |
| Transport Information | N/A | Appearance | Colorless transparent or light yellow transparent liquid |
| Safety | 26-36-39 | Risk Codes | 36 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
1,3,5-Trimethyl-1,1,3,5,5-pentaphenyltrisiloxane;DC 555;DC 705;Dow Corning 555;Dow Corning 555 Cosmetic Fluid;Dow Corning705;HIVAC F 5;PDM 7050;PH 1555;PH 1555HRI;PH 1555HRI Cosmetic Fluid;Pentaphenyltrimethyltrisiloxane;Silicone DC 705; |
Article Data | 8 |
1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane Synthetic route
- 47221-31-8
dodecylbenzene-sulphonic acid
- 778-25-6
diphenylmethylsilanol
- 3390-61-2
1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane
| Conditions | Yield |
|---|---|
| In toluene | 90.2% |
| Conditions | Yield |
|---|---|
| With sodium In toluene at 105℃; for 7h; | 83.5% |
- 776-76-1
methyldiphenylsilane
- 149-74-6
dichloromethylphenylsilane
A
- 38421-40-8
tetramethyl hexaphenyl tetrasiloxane
B
- 3390-61-2
1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane
| Conditions | Yield |
|---|---|
| Stage #1: methyldiphenylsilane With sodium hydroxide In methanol; toluene Stage #2: dichloromethylphenylsilane |
- 3390-61-2
1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane
| Conditions | Yield |
|---|---|
| at 475℃; for 5h; Autoclave; |
A
- 38421-40-8
tetramethyl hexaphenyl tetrasiloxane
B
- 3390-61-2
1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane
| Conditions | Yield |
|---|---|
| at 425℃; for 5h; Autoclave; |
A
- 38421-40-8
tetramethyl hexaphenyl tetrasiloxane
B
- 807-28-3
1,3-Dimethyl-1,1,3,3-tetraphenyldisiloxan
C
- 3390-61-2
1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane
| Conditions | Yield |
|---|---|
| at 450℃; for 5h; Autoclave; |
1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane Specification
The 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane, with CAS registry number 3390-61-2, has the systematic name of 1,3,5-trimethyl-1,1,3,5,5-pentaphenyltrisiloxane. And its IUPAC name is methyl-bis[[methyl(diphenyl)silyl]oxy]-phenylsilane. And the chemical formula of this chemical is C33H34O2Si3.
Physical properties of 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane: (1)ACD/LogP: 13.50; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 13.5; (4)ACD/LogD (pH 7.4): 13.5; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 9; (12)Polar Surface Area: 18.46 Å2; (13)Index of Refraction: 1.599; (14)Molar Refractivity: 169.24 cm3; (15)Molar Volume: 494.7 cm3; (16)Polarizability: 67.09×10-24cm3; (17)Surface Tension: 39.4 dyne/cm; (18)Enthalpy of Vaporization: 81.14 kJ/mol; (19)Vapour Pressure: 5.26E-12 mmHg at 25°C.
When you are using this chemical, please be cautious about it as the following:
The 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane irritates to eyes. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O([Si](c1ccccc1)(c2ccccc2)C)[Si](O[Si](c3ccccc3)(c4ccccc4)C)(c5ccccc5)C
(2)InChI: InChI=1/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
(3)InChIKey: PHLASVAENYNAOW-UHFFFAOYAH
(4)Std. 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
(5)Std. InChIKey: PHLASVAENYNAOW-UHFFFAOYSA-N
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