4,4'-Dimethyldiphenylsulfone 4,4'-Ditolyl sulfone 599-66-6 AI3-32580 Benzene, 1,1'-sulfonylbis(4-methyl- Bis(4-methylphenyl) sulfone Di-p-tolyl sulfone Di-p-tolyl sulphone EINECS 209-969-6 NSC 208 Sulfone, di-p-tolyl p,p'-Ditolyl sulfone p-Tolyl sulfone (8CI)