Synonyms: | Benzenesulfonicacid, 3,3'-sulfonyldi-, dihydrazide (6CI,7CI,8CI);3,3'-Sulfonylbis(benzenesulfonic acid hydrazide);3,3'-Sulfonylbis[benzenesulfonyl hydrazide]; D 33; D 33 (blowing agent);Diphenyl sulfone 3,3'-disulfonyl hydrazide;Diphenylsulfone-3,3'-disulfohydrazide; Diphenylsulphone 3,3'-disulphohydrazide;Porofor D 33 |