Synonyms: Mesyl anhydride; Methanesulfonic acid anhydride
CAS Registry Number: [ 7143-01-3 ]
Formula: C2H6O5S2
Molecular Weight: 174.20
Description
Appearance Light grey crystal
Purity (%) 99.0 min.
Methanesulfonyl chloride (%) 1.0 max.
Iron (ppm) 10 max.
Heavy metals (ppm) 10 max.
Methanesulfonyl anhydride is an is the acid anhydride of methanesulfonic acid. Like methanesulfonyl chloride, it may be used to generate mesylates (methanesulfonyl esters).
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