Chemical Name: 4,4'-Oxybis(Benzenesulfonyl Hydrazide)

CAS No.: 80-51-3

OBSH is an organic hydrazide used as a blowing agent for sponge rubber and expanded plastics. Used as an additive to polymers to make sponge rubber cosmetic puffs, electrostatic graphic toners, buoyant seats, insulation and packing materials, adhesives, sealants and leather substitutes.