Tetrakis(trimethylsilyl)allene

Base Information

• Chemical Name: Tetrakis(trimethylsilyl)allene
• CAS No.: 3721-17-3
• Molecular Formula: C15H36Si4
• Molecular Weight: 328.793
• Hs Code.: 2931900090
• DSSTox Substance ID: DTXSID30402790
• Nikkaji Number: J303.473I
• Wikidata: Q82206281
• Mol file: 3721-17-3.mol

Synonyms:TETRAKIS(TRIMETHYLSILYL)ALLENE;3721-17-3;DTXSID30402790;Tetrakis(Trimethylsilyl)Allene,95%;trimethyl[1,3,3-tris(trimethylsilyl)-1,2-propadienyl]silane

Chemical Property of Tetrakis(trimethylsilyl)allene

Chemical Property:

• Refractive Index: 1.477
• Boiling Point: 80°C / 0.5
• PSA: 0.00000
• LogP: 5.94770
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 328.18940729
• Heavy Atom Count: 19
• Complexity: 312

Purity/Quality:

98%,99%, ^*data from raw suppliers

1,2-PROPADIENE-1,3-DIYLIDENETETRAKIS(TRIMETHYLSILANE) AldrichCPR ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si](C)(C)C(=C=C([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C

Technology Process of Tetrakis(trimethylsilyl)allene

There total 11 articles about Tetrakis(trimethylsilyl)allene 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: 94.0%

chloro-trimethyl-silane (75-77-4) + hexachlorobenzene (118-74-1,67471-27-6) → 1,1,3,3-tetrakis(trimethylsilyl)allene (3721-17-3)

Guidance literature:

With lithium; In tetrahydrofuran; at 0 ℃;

DOI:10.1016/S0040-4039(00)89258-8

Reference yield: 51.0%

1,2,3,3-tetrachlorocyclopropene (6262-42-6) + chloro-trimethyl-silane (75-77-4) → 1,1,3,3-tetrakis(trimethylsilyl)allene (3721-17-3) + hexakis(trimethylsilyl)-3,3'-bicyclopropenyl (153993-72-7)

Guidance literature:

With magnesium; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; at 0 ℃;

DOI:10.1246/cl.1993.1675

Reference yield: 16.0%

1,1,1,4,4,4-hexakis(trimethylsilyl)butin-2 (20932-80-3) → (trimethylsilylmethyl)dimethylsilane (1189-75-9) + 1,1,3,3-tetrakis(trimethylsilyl)allene (3721-17-3) + 1,1,4,4-tetrakis(trimethylsilyl) 1,2,3-butatriene (70641-35-9) + Bis(trimethylsilyl)ethyne (14630-40-1)

Guidance literature:

at 650 ℃; under 0.001 Torr; Further byproducts given;

DOI:10.1246/cl.1988.1441

upstream raw materials:

chloro-trimethyl-silane

1,2-dichloro-3,4-bis-(dichloromethylene)cyclobut-1-ene

1,1,3,4,6,6-hexakis(trimethylsilyl)-1,2,4,5-hexatetraene

propadienetetrayl-tetrakis-lithium

Downstream raw materials:

1,3-bis(trimethylsilyl)propyne

1,3,3-tris(trimethylsilyl)propyne

1,3-Bis(trimethylsilyl)propadiene