359742

Sigma-Aldrich

Trimethylsilyl chlorosulfonate

99%

Linear Formula:
ClSO3Si(CH3)3
CAS Number:
Molecular Weight:
188.71
Beilstein/REAXYS Number:
1763675
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

assay

99%

refractive index

n20/D 1.424 (lit.)

bp

168-169 °C (lit.)
62-64 °C/10 mmHg (lit.)

mp

−26 °C (lit.)

density

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

InChI key

QWQONZVLXJGXHV-UHFFFAOYSA-N

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General description

Trimethylsilyl chlorosulfonate is commonly employed as sulfonating agent.

Application

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

Packaging

50 mL in glass bottle

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 2920 3(8) / PGII

WGK Germany

WGK 3

Flash Point(F)

107.6 °F - closed cup

Flash Point(C)

42 °C - closed cup

Improved simple synthesis of cyclic sulfates from trimethylsilyl chlorosulfonate.
Bassindale AR, et al.
Canadian Journal of Chemistry, 78(11), 1479-1483 (2000)
Preparation and characterization of sulfonated polysulfone/titanium dioxide composite membranes for proton exchange membrane fuel cells.
Devrim Y, et al.
International Journal of Hydrogen Energy, 34(8), 3467-3475 (2009)
Sulfonated polysulfone as promising membranes for polymer electrolyte fuel cells.
Lufrano F, et al.
Journal of Applied Polymer Science, 77(6), 1250-1256 (2000)
Hybrid organic-inorganic nanostructured membranes for high temperature proton exchange membranes fuel cells (PEMFC).
Aparicio M, et al.
Journal of Sol-Gel Science and Technology, 40(2-3), 309-315 (2006)

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