359742

Chlorsulfonsäure-trimethylsilylester

99%

• Synonym(e): Chlorosulfonic acid trimethylsilyl ester, Trimethylsiloxysulfonyl chloride, Trimethylsilyl chlorosulfate, Trimethylsilyl chlorosulfonate, [Chlorosulfonyloxy(dimethyl)silyl]methane
• Lineare Formel: ClSO₃Si(CH₃)₃
• CAS-Nummer: 4353-77-9
• Molekulargewicht: 188.71
• Beilstein: 1763675
• EG-Nummer: 224-425-8
• MDL-Nummer: MFCD00040471
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24862103
• NACRES: NA.22

Eigenschaften

• Assay: 99%
• Form: liquid
• Brechungsindex: n20/D 1.424 (lit.)
• bp: 168-169 °C (lit.); 62-64 °C/10 mmHg (lit.)
• mp (Schmelzpunkt): −26 °C (lit.)
• Dichte: 1.225 g/mL at 25 °C (lit.)
• SMILES String: C[Si](C)(C)OS(Cl)(=O)=O
• InChI: 1S/C3H9ClO3SSi/c1-9(2,3)7-8(4,5)6/h1-3H3
• InChIKey: QWQONZVLXJGXHV-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Trimethylsilyl chlorosulfonate is commonly employed as sulfonating agent.

Anwendung

Trimethylsilyl chlorosulfonate may be used:

• in the sulfonation of small organic molecules
• in the synthesis of sulfonated polysulfone
• as sulfonating agent in the preparation of nano-structured organic-inorganic membranes for proton exchange membrane fuel cells (PEMFC) based on methacrylate and epoxy polymeric structures
• in the preparation of sulfonated polysulfone (sPS)/titanium dioxide (TiO₂) composite membranes for use in PEMFCs
• in the preparation of iodosobenzene sulfate, required for the synthesis of cyclic sulfates

Sicherheitshinweise

• Piktogramme: GHS02,GHS05
• Signalwort: Danger
• H-Sätze: H226,H314
• P-Sätze: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 107.6 °F - closed cup
• Flammpunkt (°C): 42 °C - closed cup
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter