Methanesulfonic Anhydride

[7143-01-3] C2H6O5S2 (MW 174.22) InChI = 1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3 InChIKey = IZDROVVXIHRYMH-UHFFFAOYSA-N (preparation of sulfonates1-3) Physical Data: mp 69–70 °C; bp 125 °C/4 mmHg. Solubility: sol organic solvents. Form Supplied in: off-white powder; widely available. Purification: can be recrystallized from diethyl ether. Handling, Storage, and Precautions: corrosive; moisture sensitive. Store in a cool, dry place.