DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE

Base Information

• Chemical Name: DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
• CAS No.: 89597-05-7
• Molecular Formula: C₂₀H₃₂Si
• Molecular Weight: 300.56
• Hs Code.: 29310099
• Mol file: 89597-05-7.mol

Synonyms:Dimethylsilanediylbis(2,3,4,5-tetramethylcyclopenta-2,4-diene)

Chemical Property of DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE

Chemical Property:

• Vapor Pressure: 5.41E-05mmHg at 25°C
• Melting Point: 65-68 °C(lit.)
• Boiling Point: 358°C at 760 mmHg
• Flash Point: 156.5°C
• PSA: 0.00000
• Density: 0.91g/cm³
• LogP: 6.80800
• Storage Temp.: Refrigerator (+4°C)

Purity/Quality:

97% ^*data from raw suppliers

BIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIENE-1-YL)DIMETHYLSILANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE

There total 8 articles about DIMETHYLBIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE 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: 65.0%

1,2,3,4-tetramethylcyclopenta-1,3-diene (4249-10-9) + dimethylsilicon dichloride (75-78-5,30107-43-8) → 1,1'-(Dimethylsilandiyl)bis(2,3,4,5-tetramethyl-2,4-cyclopentadien) (89597-05-7)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; for 120h; Heating;

Reference yield: 42.0%

dimethylsilicon dichloride (75-78-5,30107-43-8) + 1,2,3,4-Tetramethylcyclopentadienyllithium → 1,1'-(Dimethylsilandiyl)bis(2,3,4,5-tetramethyl-2,4-cyclopentadien) (89597-05-7)

Guidance literature:

In tetrahydrofuran; for 4h; Heating;

DOI:10.1016/s0022-328x(96)06917-3

Reference yield:

trifluoromethanesulfonic acid (1493-13-6) + bis{(dimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silyl)tetramethyl-η5-cyclopentadienyl}germanium (118799-34-1) → ((CH3)4HC5(CH3)2SiC5(CH3)4)Ge(1+)*CF3SO3(1-)=((CH3)4HC5(CH3)2SiC5(CH3)4)GeCF3SO3 + 1,1'-(Dimethylsilandiyl)bis(2,3,4,5-tetramethyl-2,4-cyclopentadien) (89597-05-7)

Guidance literature:

upstream raw materials:

1,2,3,4-tetramethylcyclopenta-1,3-diene

dimethylsilicon dichloride

trifluoromethanesulfonic acid

bis{(dimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silyl)tetramethyl-η5-cyclopentadienyl}germanium

Downstream raw materials:

{(dimethylsilanediyl)bis(2,3,4,5-tetramethyl-h⁽⁵⁾-cyclopentadienyl)}zirconium dichloride

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