Bis(trimethylsilyl)methane

Base Information

• Chemical Name: Bis(trimethylsilyl)methane
• CAS No.: 2117-28-4
• Molecular Formula: C7H20Si2
• Molecular Weight: 160.407
• Hs Code.: 29319000
• European Community (EC) Number: 218-322-7
• UNII: 3XS24AZP3Z
• DSSTox Substance ID: DTXSID0062189
• Nikkaji Number: J47.903I
• Wikidata: Q63408594
• Mol file: 2117-28-4.mol

Synonyms:Bis(trimethylsilyl)methane;2117-28-4;Methylenebis(trimethylsilane);trimethyl(trimethylsilylmethyl)silane;Silane, methylenebis[trimethyl-;Methylenebis[trimethylsilane];Bis(trimethylsilyl)methane, 97%;2,4-Disilapentane, 2,2,4,4-tetramethyl-;Silane, methylenebis(trimethyl-;Silane, 1,1'-methylenebis(1,1,1-trimethyl-;Silane, 1,1'-methylenebis[1,1,1-trimethyl-;MFCD00008275;methylenebis[trimethyl-silan;3XS24AZP3Z;Silane, methylenebis*trimethyl-;DTXSID0062189;EINECS 218-322-7;AKOS015840000;Trimethyl[(trimethylsilyl)methyl]silane;AS-30359;Trimethyl[(trimethylsilyl)methyl]silane #;1,1'-Methylenebis[1,1,1-trimethylsilane];B1857;FT-0623105;Q63408594

Chemical Property of Bis(trimethylsilyl)methane

Chemical Property:

• Appearance/Colour: clear colorless liquid
• Vapor Pressure: 10.1mmHg at 25°C
• Melting Point: -71 °C(lit.)
• Refractive Index: n20/D 1.417(lit.)
• Boiling Point: 134.1 °C at 760 mmHg
• Flash Point: 12.8 °C
• PSA: 0.00000
• Density: 0.744 g/cm³
• LogP: 3.20200
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 160.11035371
• Heavy Atom Count: 9
• Complexity: 72.1

Purity/Quality:

99.5% ^*data from raw suppliers

Bis(trimethylsilyl)methane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F, Xi
• Hazard Codes: F,Xi
• Statements: 11-36/37/38
• Safety Statements: 9-16-29-33-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Metals -> Metalloid Compounds (Silicon)
• Canonical SMILES: C[Si](C)(C)C[Si](C)(C)C

Technology Process of Bis(trimethylsilyl)methane

There total 38 articles about Bis(trimethylsilyl)methane 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: 93.0%

chloro-trimethyl-silane (75-77-4) + chloroform (67-66-3,8013-54-5) → bis(trimethylsilyl)methane (2117-28-4) + Tris(trimethylsilyl)methane (1068-69-5)

Guidance literature:

With 4,4'-di-tert-butylbiphenyl; lithium; In tetrahydrofuran; at -90 - -80 ℃;

DOI:10.1016/0040-4020(95)01014-9

Reference yield: 88.0%

Et2Si(η5-C5H4)(η5-C5Me4)YCH(TMS)2 → (Et2Si(η5-C5H4)(η5-C5Me4)YH)2 + bis(trimethylsilyl)methane (2117-28-4)

Guidance literature:

With hydrogen; In pentane; addn. of pentane to Y-complex, vac., -78°C, addn. of H2 up to 1 atm, 4d, ,room temp., ppt. filtrated, washed with pentane (2x), dried in vac.; elem. anal.;

Reference yield: 82.0%

Et2Si(η5-C5H4)(η5-C5Me4)LuCH(TMS)2 → (Et2Si(η5-C5H4)(η5-C5Me4)LuH)2 + bis(trimethylsilyl)methane (2117-28-4)

Guidance literature:

With hydrogen; In pentane; addn. of pentane to Lu-complex, vac., -78°C, addn. of H2 up to 1 atm, 4d, ,room temp., ppt. filtered, washed with pentane (2x), dried in vac.; elem. anal.;

upstream raw materials:

methyl magnesium iodide

1,1,1,3,3,3-hexachloro-1,3-disilapropane

chloro-trimethyl-silane

(trimethylsilyl)methylmagnesium chloride

Downstream raw materials:

styryltrimethylsilane

1-Phenyl-4-trimethylsilyl-1,3-butadien

(dimethylphenylsilyl)bis(trimethylsilyl)methane

trimethylsilyl fluoride

Refernces

• 1、 Lappert, Michael F.,Engelhardt, Lutz M.,Raston, Colin L.,White, Allan H.. "Synthesis of and the Crystalline Monomeric Bulky Alkyl-lithium Complexes and ; X-Ray Crystal Structure of (pmdeta)> 2N(Me)2NMe2>". . p. 1323 - 1324. Retrieved 1982.
• 2、 Uhl, Werner,Cuypers, Lars,Schüler, Kristiane,Spies, Thomas,Strohmann, Carsten,Lehmen, Klaus. "Bridging coordination of gallium-gallium bonds by chelating ligands - Limitations of the stability of digallium derivatives". . p. 1526 - 1534. Retrieved 2000.
• 3、 Radu, Nora S.,Hollander, Frederick J.,Tilley, T. Don,Rheingold, Arnold L.. "Samarium-mediated redistribution of silanes and formation of trinuclear samarium-silicon clusters". . p. 2459 - 2460. Retrieved 1996.
• 4、 Guijarro, Albert,Yus, Miguel. "Polychlorinated materials as a source of polyanionic synthons". . p. 1797 - 1810. Retrieved 2007/10/03.