Bis(chlorodimethylsilyl)acetylene

Base Information

• Chemical Name: Bis(chlorodimethylsilyl)acetylene
• CAS No.: 18156-91-7
• Molecular Formula: C6H12Cl2Si2
• Molecular Weight: 211.238
• Hs Code.: 2931900090
• DSSTox Substance ID: DTXSID0066327
• Nikkaji Number: J422.014E
• Wikidata: Q81992929
• Mol file: 18156-91-7.mol

Synonyms:Bis(chlorodimethylsilyl)acetylene;18156-91-7;chloro-[2-[chloro(dimethyl)silyl]ethynyl]-dimethylsilane;Silane, 1,2-ethynediylbis[chlorodimethyl-;Silane, 1,2-ethynediylbis(chlorodimethyl-;2,5-Dichloro-2,5-dimethyl-2,5-disila-3-hexyne;Silane, 1,1'-(1,2-ethynediyl)bis(1-chloro-1,1-dimethyl-;C6H12Cl2Si2;C6-H12-Cl2-Si2;SCHEMBL3952900;DTXSID0066327;bis(chlorodimethylsilyl) acetylene;1,2-Bis(chlorodimethylsilyl)ethyne;1,2-bis(dimethylchlorosilyl)acetylene;2,5-Disilahex-3-yne, 2,5-dichloro-2,5-dimethyl-

Chemical Property of Bis(chlorodimethylsilyl)acetylene

Chemical Property:

• Vapor Pressure: 1.77mmHg at 25°C
• Boiling Point: 172.5°C at 760 mmHg
• Flash Point: 50.3°C
• PSA: 0.00000
• Density: 1.029g/cm³
• LogP: 2.95600
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 209.9854588
• Heavy Atom Count: 10
• Complexity: 166

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si](C)(C#C[Si](C)(C)Cl)Cl

Technology Process of Bis(chlorodimethylsilyl)acetylene

There total 3 articles about Bis(chlorodimethylsilyl)acetylene 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: 44.0%

bis(dimethylsilyl)acetylene (34664-55-6) → 1,2-bis(dimethylchlorosilyl)ethyne (18156-91-7)

Guidance literature:

With chlorine; In tetrachloromethane; for 3h; Ambient temperature;

DOI:10.1016/S0022-328X(98)00529-4

Reference yield:

ethynyldimagnesium dibromide (4301-15-9) + dimethylsilicon dichloride (75-78-5,30107-43-8) → 1,2-bis(dimethylchlorosilyl)ethyne (18156-91-7)

Guidance literature:

DOI:10.1021/ja01139a035

Reference yield:

1,2-Bis-(hydroxy-dimethyl-silyl)-acetylen (18162-89-5) → 1,2-bis(dimethylchlorosilyl)ethyne (18156-91-7)

Guidance literature:

With pyridine; thionyl chloride;

DOI:10.1007/BF00846955

upstream raw materials:

ethynyldimagnesium dibromide

dimethylsilicon dichloride

1,2-Bis-(hydroxy-dimethyl-silyl)-acetylen

bis(dimethylsilyl)acetylene

Downstream raw materials:

bis(cyclopentadienyl)titanium dichloride