.beta.,.beta.'-Dihydroxy ethyl sulfone .beta.-Hydroxyethyl sulfone 2,2'-Sulfonyldiethanol 2580-77-0 BHES 50 Bis(.beta.-hydroxyethyl) sulfone Bis(2-hydroxyethyl) sulfone Bis(hydroxyethyl) sulfone Ethanol, 2,2'-sulfonylbis- Ethanol, 2,2'-sulfonyldi- NSC50845 Sulfonyldiethanol