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Merck
CN

T80489

Trimethylsulfonium iodide

98%

Synonym(s):

Trimethyl-λ[3]-sulfane hydroiodide, Trimethylsulphonium iodide

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About This Item

Linear Formula:
(CH3)3S(I)
CAS Number:
Molecular Weight:
204.07
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
EC Number:
218-555-4
Beilstein/REAXYS Number:
3555192
MDL number:
Assay:
98%
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InChI key

VFJYIHQDILEQNR-UHFFFAOYSA-M

InChI

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

SMILES string

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

assay

98%

reaction suitability

reaction type: C-C Bond Formation

mp

215-220 °C (lit.)

Quality Level

General description

Trimethylsulfonium iodide is commonly used as a methylating agent in organic synthesis.

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Facile access to S-methyl dithiocarbamates with sulfonium or sulfoxonium iodide as a methylation reagent
Deng H, et al.
Organic & Biomolecular Chemistry, 21(32), 6474-6478 (2023)
Julien Dron et al.
Journal of chromatography. A, 1047(1), 111-116 (2004-10-16)
A procedure for the determination of fatty acids (FA) and glycerol in oils has been developed. The method includes a derivatization step of the FAs into their methyl esters or a transesterification of the triacylglycerols with trimethylsulfonium hydroxide (TMSH), respectively.
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%
Synthesis, 404-404 (1987)
Lawrence Akoto et al.
Journal of chromatography. A, 1186(1-2), 365-371 (2007-09-25)
Gas chromatography (GC) has in recent times become an important tool for the fatty acid profiling of human blood and plasma. An at-line procedure used in the fatty acid profiling of whole/intact aquatic micro-organisms without any sample preparation was adapted

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