Bis(trimethylsilyl) sulfate

Base Information

• Chemical Name: Bis(trimethylsilyl) sulfate
• CAS No.: 18306-29-1
• Molecular Formula: C6H18 O4 S Si2
• Molecular Weight: 242.444
• Hs Code.: 29319090
• European Community (EC) Number: 242-192-0
• UNII: 4K4D2P4A3D
• DSSTox Substance ID: DTXSID20171382
• Nikkaji Number: J103.082E
• Wikidata: Q72447571
• Mol file: 18306-29-1.mol

Synonyms:bistrimethylsilylsulfate;BTMSS

Chemical Property of Bis(trimethylsilyl) sulfate

Chemical Property:

• Appearance/Colour: beige to brownish low melting crystals and/or
• Vapor Pressure: 0.0622mmHg at 25°C
• Melting Point: 41-44 °C(lit.)
• Boiling Point: 239.4 °C at 760 mmHg
• Flash Point: 72.2 °C
• PSA: 60.98000
• Density: 1.041 g/cm ³
• LogP: 3.01500
• Storage Temp.: Refrigerator (+4°C) + Flammables area
• Sensitive.: Moisture Sensitive
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 4
• Exact Mass: 242.04643329
• Heavy Atom Count: 13
• Complexity: 232

Purity/Quality:

97% ^*data from raw suppliers

Bis(trimethylsilyl) Sulfate ^*data from reagent suppliers

Safty Information:

• Hazard Codes: F,C
• Statements: 11-34
• Safety Statements: 16-26-36/37/39-45-9-33-25-20

MSDS Files:

SDS file from LookChem

Useful:

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

Technology Process of Bis(trimethylsilyl) sulfate

There total 20 articles about Bis(trimethylsilyl) sulfate 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: 89.0%

Hexamethyldisiloxane (107-46-0) → bis(trimethylsilyl)sulphate (18306-29-1)

Guidance literature:

With sulfuric acid; In toluene; at 110 ℃; for 5.5h; Dean-Stark;

DOI:10.1002/anie.202002062

Reference yield: 62.0%

heptamethyldisilazane (920-68-3) → bis(trimethylsilyl)sulphate (18306-29-1)

Guidance literature:

With sulfur trioxide; In dichloromethane; at -60 - -40 ℃;

Reference yield: 59.0%

(1,2-dimethyl-propenyloxy)-trimethyl-silane (17510-44-0) → bis(trimethylsilyl)sulphate (18306-29-1) + C8H18O5SSi

Guidance literature:

With SO₃*dioxane; In 1,2-dichloro-ethane; at -78 ℃;

upstream raw materials:

chloro-trimethyl-silane

Hexamethyldisiloxane

allyl-trimethyl-silane

tetramethylsilane

Downstream raw materials:

4-Methyl-1-benzolsulfonsaeure-trimethylsilylester

Hexamethyldisiloxane

acetonitrile

acetamide sulfate