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Methanesulfonic anhydride, 97%

Product Code. 11468820
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Product Code. 11468820 Supplier Thermo Scientific Alfa Aesar Supplier No. A13328.14
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Description

CAS: 7143-01-3 | C2H6O5S2 | 174.19 g/mol

Methanesulfonic anhydride is used to prepare methylsulfonyl esters called as mesylates. It finds application in the reaction of aromatic alkylation. It reacts with dimethylsulfoxide to get sulfoxonium complex, which is a useful oxidizing agent.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Methanesulfonic anhydride is used to prepare methylsulfonyl esters called as mesylates. It finds application in the reaction of aromatic alkylation. It reacts with dimethylsulfoxide to get sulfoxonium complex, which is a useful oxidizing agent.

Solubility
Soluble in organic solvents.

Notes
Moisture sensitive. Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7143-01-3
Molecular Formula C2H6O5S2
Molecular Weight (g/mol) 174.19
MDL Number MFCD00007556
InChI Key IZDROVVXIHRYMH-UHFFFAOYSA-N
Synonym methanesulfonic anhydride, methanesulfonic acid, anhydride, mesyl anhydride, mesic anhydride, methanesulphonic anhydride, methane sulfonic acid anhydride, methanesulfonyl methanesulfonate, methane sulfonic anhydride, methanesulfonic acid, 1,1'-anhydride, methanesulfonic acid methylsulfonyl ester
PubChem CID 81560
IUPAC Name methylsulfonyl methanesulfonate
SMILES CS(=O)(=O)OS(=O)(=O)C

Specifications

Melting Point 65°C to 69°C
Boiling Point 125°C (4 mmHg)
Quantity 25 g
UN Number UN3261
Beilstein 972316
Sensitivity Moisture sensitive
Solubility Information Soluble in organic solvents.
Formula Weight 174.2
Percent Purity 98%
Chemical Name or Material Methanesulfonic anhydride

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