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Merck
CN

26393

Sigma-Aldrich

Trimethylsilyl chlorosulfonate

purum, ≥99.0% (AT)

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About This Item

Linear Formula:
ClSO3Si(CH3)3
CAS Number:
Molecular Weight:
188.71
Beilstein:
1763675
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
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grade

purum

Assay

≥99.0% (AT)

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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Other Notes

Versatile sulfonation reagent; For a simple preparation of the pyridine SO3 and the THF-SO3 adduct

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

107.6 °F - closed cup

Flash Point(C)

42 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number

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B.H. Bakker, H. Cerfontain
Tetrahedron Letters, 30, 5451-5451 (1989)
M. Grignon-Dubois et al.
Journal of Organometallic Chemistry, 188, 311-311 (1980)
A.R. Bassindale et al.
Canadian Journal of Chemistry, 78, 1479-1479 (2000)
K. Hofmann et al.
Synthesis, 699-699 (1979)

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