1,2-Dichlorotetramethyldisilane

Base Information

• Chemical Name: 1,2-Dichlorotetramethyldisilane
• CAS No.: 4342-61-4
• Molecular Formula: C4H12Cl2Si2
• Molecular Weight: 187.216
• Hs Code.: 29319090
• European Community (EC) Number: 224-400-1
• DSSTox Substance ID: DTXSID4040717
• Nikkaji Number: J46.957B
• Wikidata: Q63399964
• ChEMBL ID: CHEMBL1905534
• Mol file: 4342-61-4.mol

Synonyms:1,1,2,2-Tetramethyl-1,2-dichlorodisilane;1,2-Dichloro-1,1,2,2-tetramethyldisilane;

Chemical Property of 1,2-Dichlorotetramethyldisilane

Chemical Property:

• Vapor Pressure: 4.97mmHg at 25°C
• Refractive Index: n20/D 1.454(lit.)
• Boiling Point: 150.1 °C at 760 mmHg
• Flash Point: 38.8 °C
• PSA: 0.00000
• Density: 0.992 g/cm³
• LogP: 2.95260
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 185.9854588
• Heavy Atom Count: 8
• Complexity: 78

Purity/Quality:

97.0% ^*data from raw suppliers

1,2-Dichlorotetramethyldisilane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): C
• Hazard Codes: C
• Statements: 14-34-10
• Safety Statements: 26-27-36/37/39-45

MSDS Files:

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C[Si](C)([Si](C)(C)Cl)Cl
• Description: 1,2-DICHLOROTETRAMETHYLDISILANE is a kind of widely used organic silicon intermediates and usually be used as organic silicon blocking agent in the synthesis，such as，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.
• Uses: 1,2-DICHLOROTETRAMETHYLDISILANE is used as an intermediate for preparing other organical compounds. It is also used in aqueous polymer preparation as well as a laboratory reagent. 1,2-Dihydroxy-tetramethyldisilane has been synthesized by hydrolysis of 1,2-dichloro-tetramethyldisilane and characterized by IR, NMR, MS and X-ray structure analysis.

Technology Process of 1,2-Dichlorotetramethyldisilane

There total 26 articles about 1,2-Dichlorotetramethyldisilane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 88.0%

1,1,1,2,2,2-hexamethyldisilane (1450-14-2) → 1,2-dichlorotetramethylsilane (4342-61-4)

Guidance literature:

With chloro-trimethyl-silane; aluminium trichloride;

DOI:10.1016/0022-328X(89)88003-9

Reference yield: 74.0%

chloro-trimethyl-silane (75-77-4) + pentamethylchlorodisilane (1560-28-7) → 1,2-dichlorotetramethylsilane (4342-61-4)

Guidance literature:

With aluminum (III) chloride; at 70 ℃;

DOI:10.1002/chem.201603842

Reference yield: 20.0%

dodecamethylcyclohexasilane (4098-30-0) → 1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane (812-36-2) + 1,2-dichlorotetramethylsilane (4342-61-4) + 1,4-dichloropermethyltetrasilane (754-75-6) + 1,6-dichlorododecamethylhexasilane (812-54-4)

Guidance literature:

With thionyl chloride; In 1,1,2,2-tetrachloroethylene; at 146 ℃; for 4h; Product distribution; other permethylated cyclosilane; var. solvents, time, temp.;

DOI:10.1016/0022-328X(92)83081-R

upstream raw materials:

1,1,1,2,2,2-hexamethyldisilane

1,2-diethoxy-1,1,2,2-tetramethyldisilane

1,2-diphenyltetramethyldisilane

dodecamethylcyclohexasilane

Downstream raw materials:

1,2-dimethoxy-1,1,2,2-tetramethyldisilane

1,1,2,2-tetramethyl-1,2-di(thiophen-2-yl)disilane

1-chloro-3-methoxy-benzene

m-Anisyldimethylchlorosilane

Refernces

• 1、 Chernyavskii, A. I.,Chernyavskaya, N. A.. "Synthesis of α,ω-dichloropermethyloligosilanes by reactions of polydimethylsilane with metal chlorides". . p. 1751 - 1753. Retrieved 2002.
• 2、 Ishikawa,Kumada. "-". . p. 325,331. Retrieved 1972.
• 3、 Herman, Aleksander,Dreczewski, Boguslaw,Wojnowski, Wieslaw. "?-BOND CONJUGATION IN POLYSILANES, A PES SCALED FREE-ELECTRON APPROACH FOR THE INTERPRETATION OF SKELETAL CLEAVAGE REACTION". . p. 7 - 14. Retrieved 1983.
• 4、 -. "PROCESS FOR THE PRODUCTION OF ORGANOHYDRIDOCHLOROSILANES FROM HYDRIDOSILANES". Page/Page column 42; 43. . Retrieved 2019/04/16.
• 5、 Sturm, Alexander G.,Santowski, Tobias,Schweizer, Julia I.,Meyer, Lioba,Lewis, Kenrick M.,Felder, Thorsten,Auner, Norbert,Holthausen, Max C.. "Making Use of the Direct Process Residue: Synthesis of Bifunctional Monosilanes". supporting information. p. 8499 - 8502. Retrieved 2019/06/13.