Similar names: 4,4'-Oxybis(benzenesulfohydrazide); 4,4'-Oxybis(benzenesulfonic Acid Hydrazide);4,4'-Oxybis(benzenesulfonic Acid) Dihydrazide; 4,4'-Oxybis(benzenesulfonyl hydrazide); 4,4'-Oxydi(benzenesulfonic Acid Hydrazide); 4,4'-Oxydibenzenesulfonic Acid Dihydrazide; 4,4'-Oxydibenzenesulfonyl Hydrazide; Neocellborn P 100; Neocellborn P 1000; Neocellborn P 1000M; Neothlene HM 806P; Neothlene HM 80NP; Unifoam AZ 90; p,p'-Oxybis(benzenesulfohydrazide); p,p'-Oxybis(benzenesulfone hydrazide); p,p'-Oxybis(benzenesulfonyl hydrazide);p,p'-Oxybis(benzenesulfonylhydrazine); S 250 (blowing agent); Tracel OBSH;Tracel OBSH 160NER; Tracel OBSH 80PR;