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Cas Database |
| Name |
1,2-Dichlorotetramethyldisilane |
EINECS | 224-400-1 |
| CAS No. | 4342-61-4 | Density | 0.992 g/cm3 |
| PSA | 0.00000 | LogP | 2.95260 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C4H12Cl2Si2 | Boiling Point | 150.1 °C at 760 mmHg |
| Molecular Weight | 187.216 | Flash Point | 38.8 °C |
| Transport Information | UN 2986 8/PG 2 | Appearance | N/A |
| Safety | 26-27-36/37/39-45 | Risk Codes | 14-34 |
| Molecular Structure |
|
Hazard Symbols |
 C
|
| Synonyms |
1,1,2,2-Tetramethyl-1,2-dichlorodisilane;1,2-Dichloro-1,1,2,2-tetramethyldisilane; |
Article Data | 42 |
1,2-Dichlorotetramethyldisilane Synthetic route
| Conditions | Yield |
|---|---|
| With chloro-trimethyl-silane; aluminium trichloride | 88% |
| With aluminium trichloride; acetyl chloride at 0℃; for 20h; | 78% |
| With aluminium trichloride; acetyl chloride In dichloromethane at 40℃; for 12h; | 76% |
- 75-77-4
chloro-trimethyl-silane
- 1560-28-7
pentamethylchlorodisilane
- 4342-61-4
1,2-dichlorotetramethylsilane
| Conditions | Yield |
|---|---|
| With aluminum (III) chloride at 70℃; | 74% |
- 4098-30-0
dodecamethylcyclohexasilane
A
- 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane
B
- 4342-61-4
1,2-dichlorotetramethylsilane
C
- 754-75-6
1,4-dichloropermethyltetrasilane
D
- 5586-42-5
1,5-dichlorodecamethylpentasilane
| Conditions | Yield |
|---|---|
| With tin(IV) chloride at 175℃; for 1h; Product distribution; Further Variations:; Reagents; Temperatures; reaction times; | A 16.5% B 10% C 12.7% D 49.5% |
- 4098-30-0
dodecamethylcyclohexasilane
A
- 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane
B
- 4342-61-4
1,2-dichlorotetramethylsilane
C
- 754-75-6
1,4-dichloropermethyltetrasilane
D
- 812-54-4
1,6-dichlorododecamethylhexasilane
| Conditions | Yield |
|---|---|
| With thionyl chloride In 1,1,2,2-tetrachloroethylene at 146℃; for 4h; Product distribution; other permethylated cyclosilane; var. solvents, time, temp.; | A 24% B 20% C 18% D 28% |
| With tin(IV) chloride at 175℃; for 0.5h; Further byproducts given; | A 11.3% B 7.5% C 9.6% D 46.1 % Chromat. |
| With mercury dichloride at 210℃; for 2h; | A 40.8 % Chromat. B 30.0 % Chromat. C 21.9 % Chromat. D 2.1 % Chromat. |
A
- 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane
B
- 4342-61-4
1,2-dichlorotetramethylsilane
C
- 754-75-6
1,4-dichloropermethyltetrasilane
D
- 5586-42-5
1,5-dichlorodecamethylpentasilane
| Conditions | Yield |
|---|---|
| With tin(IV) chloride at 180℃; for 3h; Product distribution; Further Variations:; Reagents; Temperatures; reaction times; | A 27.9% B 10.1% C 25.5% D 18.3% |
- 18419-84-6
1,2-diethoxy-1,1,2,2-tetramethyldisilane
- 4342-61-4
1,2-dichlorotetramethylsilane
| Conditions | Yield |
|---|---|
| With pyridine |
| Conditions | Yield |
|---|---|
| With hydrogenchloride Ambient temperature; |
| Conditions | Yield |
|---|---|
| With chlorine |
- 1450-14-2
1,1,1,2,2,2-hexamethyldisilane
A
- 75-77-4
chloro-trimethyl-silane
B
- 4342-61-4
1,2-dichlorotetramethylsilane
C
- 13528-88-6
1,1,2-trichloro-1,2,2-trimethyldisilane
D
- 4518-98-3
1,1,2,2-tetrachloro-1,2-dimethyldisilane
E
- 75-78-5
dimethylsilicon dichloride
| Conditions | Yield |
|---|---|
| With hexachlorodisilane; aluminium trichloride In benzene-d6 at 200℃; for 120h; Product distribution; var. temp.; | A 15 % Spectr. B 6 % Spectr. C 15 % Spectr. D 3 % Spectr. E 60 % Spectr. |
- 13528-88-6
1,1,2-trichloro-1,2,2-trimethyldisilane
- 100-44-7
benzyl chloride
A
- 4342-61-4
1,2-dichlorotetramethylsilane
B
- 18236-82-3
benzyl(methyl)dichlorosilane
| Conditions | Yield |
|---|---|
| tetrakis(triphenylphosphine) palladium(0) In 1,3,5-trimethyl-benzene at 80℃; for 2h; Heating; | A 2 % Chromat. B 98 % Chromat. |
1,2-Dichlorotetramethyldisilane Specification
The Disilane,1,2-dichloro-1,1,2,2-tetramethyl-, with the CAS registry number 4342-61-4, is also known as 1,1,2,2-Tetramethyldichlorodisilane. It belongs to the product categories of Si-Si Compounds; Dichlorosilanes (for Polysilanes); Electroluminescence; Functional Materials; Monochlorosilanes; Reagent for High-Performance Polymer Research; Si (Classes of Silicon Compounds); Si-Cl Compounds; Silicon Compounds (for Synthesis); Synthetic Organic Chemistry; Precursors by Metal; Vapor Deposition Precursors. Its EINECS registry number is 224-400-1. This chemical's molecular formula is C4H12Cl2Si2 and molecular weight is 187.22. Its systematic name is called 1,2-dichloro-1,1,2,2-tetramethyldisilane. The product should be sealed and stored in dry, well-ventilated place.
Physical properties of Disilane,1,2-dichloro-1,1,2,2-tetramethyl-: (1)ACD/LogP: 4.52; (2)ACD/LogD (pH 5.5): 4.52; (3)ACD/LogD (pH 7.4): 4.52; (4)ACD/BCF (pH 5.5): 1594.32; (5)ACD/BCF (pH 7.4): 1594.32; (6)ACD/KOC (pH 5.5): 6823.42; (7)ACD/KOC (pH 7.4): 6823.42; (8)#Freely Rotating Bonds: 1; (9)Index of Refraction: 1.419; (10)Molar Refractivity: 47.71 cm3; (11)Molar Volume: 188.8 cm3; (12)Surface Tension: 17.5 dyne/cm; (13)Density: 0.991 g/cm3; (14)Flash Point: 38.8 °C; (15)Enthalpy of Vaporization: 37.1 kJ/mol; (16)Boiling Point: 150.1 °C at 760 mmHg; (17)Vapour Pressure: 4.97 mmHg at 25°C.
Preparation: this chemical can be prepared by hexamethyl-disilane. This reaction will need reagent AlCl3, AcCl and solvent CH2Cl2. The reaction time is 12 hours with reaction temperature of 40 °C. The yield is about 76%.
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Uses of Disilane,1,2-dichloro-1,1,2,2-tetramethyl-: it can be used to produce Octamethyl-1,4-dithia-2,3,5,6-tetrasilacyclohexan. This reaction will need reagent H2S and Et3N.
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When you are using this chemical, please be cautious about it as the following:
This chemical may destroy living tissue on contact and may cause burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: Cl[Si](C)(C)[Si](Cl)(C)C
(2)InChI: InChI=1/C4H12Cl2Si2/c1-7(2,5)8(3,4)6/h1-4H3
(3)InChIKey: SFAZXBAPWCPIER-UHFFFAOYAO
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