Methanesulfonic anhydride
Chemical compound
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Methanesulfonic anhydride is the acid anhydride of methanesulfonic acid. Like methanesulfonyl chloride, it may be used to generate mesylates. Wikipedia
Molar mass: 174.2 g/mol
Density: 0.92 g/ml
Formula: C2H6O5S2
Solubility: Soluble in most aprotic organic solvents
Melting point: 69.5–70 °C (157.1–158.0 °F; 342.6–343.1 K)