Methanesulfonic anhydride

Methanesulfonic anhydride
Names


IUPAC name methylsulfonyl methanesulfonate
Other names methanesulfonic acid methylsulfonyl ester
Identifiers
CAS Registry Number	7143-01-3
ChemSpider	73591^Y
InChI InChI=1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3^Y Key: IZDROVVXIHRYMH-UHFFFAOYSA-N^Y InChI=1/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3 Key: IZDROVVXIHRYMH-UHFFFAOYAS
Jmol-3D images	Image
PubChem	81560
SMILES O=S(=O)(OS(=O)(=O)C)C
Properties
Chemical formula	C₂H₆O₅S₂
Molar mass	174.20 g/mol
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Y verify (what is: Y/N?)
Infobox references

Methanesulfonic anhydride is the acid anhydride of methanesulfonic acid. Like methanesulfonyl chloride, it may be used to generate mesylates (methanesulfonyl esters).