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Cas Database |
| Name |
Dodecamethylcyclohexasilane |
EINECS | 223-860-0 |
| CAS No. | 4098-30-0 | Density | 0.82 g/cm3 |
| PSA | 0.00000 | LogP | 4.72080 |
| Solubility | N/A | Melting Point |
229 °C(lit.) |
| Formula | C12H36Si6 | Boiling Point | 263.9 °C at 760 mmHg |
| Molecular Weight | 348.931 | Flash Point | 81.3 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Cyclohexasilane,dodecamethyl- (7CI,8CI,9CI);Dodecamethylcyclohexasilane;Dodecamethylcyclohexasilylene;NSC 635060; |
Article Data | 39 |
Dodecamethylcyclohexasilane Synthetic route
| Conditions | Yield |
|---|---|
| Stage #1: dimethylsilicon dichloride With sodium In tetrahydrofuran at 0 - 20℃; Stage #2: With naphthalene In tetrahydrofuran at 20℃; for 4h; Reagent/catalyst; Temperature; Reflux; | 87.3% |
| With lithium In tetrahydrofuran at 20℃; for 0.25h; reaction in a US (ultrasonic field); | 78.4% |
| With lithium In tetrahydrofuran at 20℃; for 0.25h; Product distribution; Kinetics; reaction in a US (ultrasonic) field; yield dependence on Li-surface; | 78.4% |
| Conditions | Yield |
|---|---|
| With [pedeta*H2SiCl(+)]2*[Si6Cl14]2(-) In tetrahydrofuran at 20℃; for 24h; | 85% |
- 75-78-5
dimethylsilicon dichloride
A
- 13452-92-1
decamethylcyclopentasilane
B
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With lithium; 1,1,1-trimethyl-2,2,2-triphenyldisilane In tetrahydrofuran Yields of byproduct given; | A n/a B 80% |
- 75-78-5
dimethylsilicon dichloride
A
- 556-67-2
octamethylcyclotetrasiloxane
B
- 13452-94-3
Tetradecamethylcycloheptasilan
C
- 13452-92-1
decamethylcyclopentasilane
D
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With tetrahydrofuran; lithium 0 deg C, 1 h, then 20-25 deg C, 2 h; Further byproducts given. Yields of byproduct given; | A n/a B n/a C 60% D n/a |
| With tetrahydrofuran; lithium 0 deg C, 1 h, then 20-25 deg C, 2 h; Further byproducts given. Yields of byproduct given; | A n/a B n/a C n/a D 60% |
| With tetrahydrofuran; lithium at -5 - 0℃; for 1h; Yield given. Further byproducts given. Yields of byproduct given; |
- 75-79-6
Methyltrichlorosilane
- 4342-61-4
1,2-dichlorotetramethylsilane
A
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With lithium In tetrahydrofuran for 3h; | A 48% B 16% C 6% D 24% |
- 75-78-5
dimethylsilicon dichloride
- 149-74-6
dichloromethylphenylsilane
A
- 37943-96-7
monophenylundecamethylcyclohexasilane
B
- 4098-30-0
dodecamethylcyclohexasilane
C
- 112080-34-9
trans-1,4-diphenyldecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With potassium Sodium In tetrahydrofuran Heating; | A 24% B 8% C 1.2 g |
| Conditions | Yield |
|---|---|
| With potassium Sodium In tetrahydrofuran |
- 30314-60-4
tetradecamethylbicyclo[2.2.2]octasilane
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| In cyclohexane Irradiation; |
- 13452-94-3
Tetradecamethylcycloheptasilan
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With potassium Sodium In tetrahydrofuran at 30 - 58℃; Equilibrium constant; Thermodynamic data; ΔH, ΔS; |
- 10124-62-6
1,2-dimethoxy-1,1,2,2-tetramethyldisilane
A
- 13452-94-3
Tetradecamethylcycloheptasilan
B
- 13452-92-1
decamethylcyclopentasilane
C
- 4098-30-0
dodecamethylcyclohexasilane
| Conditions | Yield |
|---|---|
| With sodium In tetrahydrofuran for 22h; Ambient temperature; | A n/a B n/a C 48 % Chromat. |
Dodecamethylcyclohexasilane Specification
The CAS register number of Dodecamethylcyclohexasilane is 4098-30-0. It also can be called as Cyclohexasilane, 1,1,2,2,3,3,4,4,5,5,6,6-dodecamethyl- and the IUPAC name about this chemical is 1,1,2,2,3,3,4,4,5,5,6,6-dodecamethylhexasilinane. The molecular formula about this chemical is C12H36Si6 and the molecular weight is 348.93. It belongs to the following product categories, such as Precursors by Metal; Vapor Deposition Precursors and so on.
Physical properties about Dodecamethylcyclohexasilane are: (1)Index of Refraction: 1.426; (2)Molar Refractivity: 108.09 cm3; (3)Molar Volume: 421.6 cm3; (4)Polarizability: 42.85x10-24cm3; (5)Surface Tension: 15.8 dyne/cm; (6)Enthalpy of Vaporization: 48.15 kJ/mol; (7)Boiling Point: 263.9 °C at 760 mmHg; (8)Vapour Pressure: 0.0163 mmHg at 25°C.
Preparation: this chemical can be prepared by dichloro-dimethyl-silane. This reaction will need reagent sodium and benzene. The reaction temperature is 200 ℃.
Uses of Dodecamethylcyclohexasilane: it can be used to produce Nonamethyl-(trimethylsilyl)-cyclopentasilan. This reaction will need reagent AlCl3 and solvent benzene.
You can still convert the following datas into molecular structure:
(1)SMILES: C[Si]1([Si]([Si]([Si]([Si](C)(C)[Si]1(C)C)(C)C)(C)C)(C)C)C
(2)InChI: InChI=1/C12H36Si6/c1-13(2)14(3,4)16(7,8)18(11,12)17(9,10)15(13,5)6/h1-12H3
(3)InChIKey: RTCLHEHPUHREBC-UHFFFAOYAE
(4)Std. InChI: InChI=1S/C12H36Si6/c1-13(2)14(3,4)16(7,8)18(11,12)17(9,10)15(13,5)6/h1-12H3
(5)Std. InChIKey: RTCLHEHPUHREBC-UHFFFAOYSA-N
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