u  Brief Introduction 

OBSH is an organic compound, chemical formula C12H14N4O5S2, white crystalline powder, 

slightly soluble in hot water and ethanol, insoluble in cold water and a variety of organic solvents, 

mainly used as rubber, plastic industry foaming agent.

Chemical name (IUPAC): 4,4'-oxydibenzenesulfonyl hydrazide

CAS number:        80-51-3

EC number:         201-286-1

Molecular formula:   C12H14N4O5S2

Molecular weight：    358.396

Structure:

u  Technical Specification 

u  Applications: 

²  Use in natural rubber and various synthetic rubber(EPDM、SBR、CR、FKM、IIR、NBR)

²  Use in thermoplastic product(PVC、PE、PS、ABS)

²  Use in rubber-resin mixture.

u  Packing&Storage:

           25kgs/carton with inner PE bag,Store in cool and dry place, not exceeding 50℃. Keep away from food, drink.