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Merck

M81705

Dimethyl sulfone

98%

Synonym(s):

Methyl sulfone

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About This Item

Linear Formula:
(CH3)2SO2
CAS Number:
67-71-0
Molecular Weight:
94.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24897231
EC Number:
200-665-9
Beilstein/REAXYS Number:
1737717
MDL number:
MFCD00007566
Assay:
98%
Form:
crystals

Key Documents

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InChI key

HHVIBTZHLRERCL-UHFFFAOYSA-N

InChI

1S/C2H6O2S/c1-5(2,3)4/h1-2H3

SMILES string

CS(C)(=O)=O

assay

98%

form

crystals

bp

238 °C (lit.)

mp

107-109 °C (lit.)

Quality Level

200

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Application

Dimethyl sulfone (DMSO2) can undergo:
  • Acylation with N-acylbenzotriazoles to synthesize β-keto sulfones.
  • α-Monoarylation via palladium-catalyzed Negishi coupling reaction to synthesize benzylic sulfones.
  • One-step olefination of alcohols in the presence of ruthenium pincer complex as a catalyst.

DMSO2 can also be used as an electrolyte over a wide range of temperatures (110–150°C) for electrodeposition of aluminum.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

289.4 °F - closed cup

flash_point_c

143.00 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

M81705-1KG: + M81705-5G: + M81705-100G: + M81705-VAR: + M81705-500G: + M81705-BULK:

jan

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Certificates of Analysis (COA)

Lot/Batch Number
WXBD4131V
WXBD0753V
WXBC9404V
WXBC7924V
WXBC7740V

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Studies on the AlCl3/dimethylsulfone (DMSO2) electrolytes for the aluminum deposition processes.
Jiang T, et al.
Surface and Coatings Technology, 201(14), 6309-6317 (2007)
Efficient conversion of sulfones intoβ-keto sulfones by N-acylbenzotriazoles.
Katritzky AR, et al.
The Journal of Organic Chemistry, 68(4), 1443-1446 (2003)
Direct catalytic olefination of alcohols with sulfones.
Srimani D, et al.
Angewandte Chemie (International ed. in English), 53(41), 11092-11095 (2014)
A Lin et al.
Toxicology letters, 123(2-3), 169-177 (2001-10-20)
Methylsulfonylmethane (MSM) is a widely available 'alternative' medicine. In vivo magnetic resonance spectroscopy (MRS) was used to detect and quantify MSM in the brains of four patients with memory loss and in three normal volunteers all of who had ingested
Palladium-catalyzed Negishi a-arylation of alkylsulfones.
Zhou G, et al.
Tetrahedron Letters, 51(6), 939-941 (2010)
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