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T80489

Sigma-Aldrich

Trimethylsulfonium iodide

98%

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Linear Formula:
(CH3)3S(I)
CAS Number:
2181-42-2
Molecular Weight:
204.07
Beilstein:
3555192
EC Number:
218-555-4
MDL number:
MFCD00011632
PubChem Substance ID:
24900497
NACRES:
NA.22

Quality Level

200

Assay

98%

reaction suitability

reaction type: C-C Bond Formation

mp

215-220 °C (lit.)

SMILES string

[I-].C[S+](C)C

InChI

1S/C3H9S.HI/c1-4(2)3;/h1-3H3;1H/q+1;/p-1

InChI key

VFJYIHQDILEQNR-UHFFFAOYSA-M

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1 of 4

This Item
419982740489293008
Trimethylsulfonium iodide 98%

Sigma-Aldrich

T80489

Trimethylsulfonium iodide

Triethyl(trifluoromethyl)silane 98%

Sigma-Aldrich

419982

Triethyl(trifluoromethyl)silane

Trimethylsulfonium tetrafluoroborate 97%

Sigma-Aldrich

740489

Trimethylsulfonium tetrafluoroborate

Trimethylsulfoxonium chloride 98%

Sigma-Aldrich

293008

Trimethylsulfoxonium chloride

reaction suitability

reaction type: C-C Bond Formation

reaction suitability

reaction type: C-C Bond Formation

reaction suitability

reaction type: C-C Bond Formation

reaction suitability

reaction type: C-C Bond Formation

mp

215-220 °C (lit.)

mp

-

mp

205-210 °C

mp

226-229 °C (lit.)

Application

Treatment with strong base yields the dimethylsulfonium methylide which reacts in-situ with the carbonyl group of ketones to form epoxides or allylic alcohols.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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H Castejon et al.
Journal of the American Chemical Society, 123(25), 6092-6097 (2001-06-21)
The reaction of ammonia and pyridine with trimethylsulfonium ion has been studied in gas phase and solution. Density functional theory at the B3LYP/6-31+G level was used to describe the energy changes along the reaction coordinate in the gas phase, and
Yasuyuki Ishida et al.
Journal of chromatography. A, 1216(15), 3296-3299 (2009-02-19)
Reaction efficiencies of two organic alkalis, tetramethylammonium hydroxide (TMAH) and trimethylsulfonium hydroxide (TMSH), with lipids during thermally assisted hydrolysis and methylation (THM) were examined focusing on (1) the types of lipids and (2) degree of unsaturation of fatty acid moieties.
K D Müller et al.
Zentralblatt fur Bakteriologie : international journal of medical microbiology, 274(2), 174-182 (1990-11-01)
Gas-liquid chromatography of cellular fatty acids is a useful tool for the identification of bacteria. Derivatization of bacterial fatty acids to methyl esters by conventional techniques is usually time-consuming and complicated. A new one-step technique using trimethyl-sulfonium hydroxide allows the
J L Hoffman
Journal of chromatography, 588(1-2), 211-216 (1991-12-27)
The use of single-column ion chromatography with conductometric detection was shown to be useful for the analysis of sulfonium and selenonium ions. A Hamilton PRP X-200 cation column was eluted with either solvent A (5 mM nitric acid in 30%
K Müller et al.
Journal of clinical microbiology, 36(9), 2477-2480 (1998-08-15)
The MIDI automated Microbial Identification System (MIS) uses gas chromatography (GC) analysis of whole-cell fatty acid methyl esters (FAMEs) between 9 and 20 carbons in length to characterize a wide range of bacterial genera and species, including mycobacteria. Mycolic acid
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