1,3-Propane sultone
![](/Images/godic/202502/04/Propio-1,3-sultone.svg1838.png")
![](/Images/godic/202502/04/Propane-1,3-sultone_hydrolysis.svg1838.png")
1,3-Propane sultone is the organosulfur compound with the formula (CH2)3SO3. It is a cyclic sulfonate ester, a class of compounds called sultones. It is a readily melting colorless solid.
Typical of activated esters, 1,3-propane sultone is an alkylating agent. It readily hydrolyzes to the hydroxysulfonic acid.