IUPAC Name: 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide
CAS Number: 80-51-3
Chemical Formula: C₁₂H₁₄N₄O₅S₂
Molecular Weight: 358.4
EC Number: 201-286-1
Purity Grade: Industrial Grade, ≥98% purity
Appearance: White powder
Application: Foaming agent for natural/synthetic rubber and thermoplastic foam products
Packaging Size: 25 kg net fibre drum
Other Name: 4,4'-Oxydibenzenesulfonyl Hydrazide; P,P'-Oxydibenzenesulfonyl Hydrazide;OBSH; Blowing Agent OBSH; OT;OB;
Packing: 25kg net fibre drum
Product Usage: 1.when we use the product only, it can create tiny, high quality and uniform stomatal structure. The foam product is odourless, tasteless, non-pollution and colourstay, so it is very suitable for the foam products which are without smell and with light co
Class Or Division: Dangerous Goods
4.1: 3226
Check-Point: Unit
Purity: % min
Water: % max
Dec.Temp (5°C/min In Air): °C
Gas Volume In Air: ml/g
Particle Size: μm

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4,4'-Oxybis(Benzenesulfonyl Hydrazide) (OBSH, CAS 80-51-3) is an industrial-grade white powder traded by Zhejiang Kingvolt New Materials Co., Ltd. at a minimum purity of 98%. It functions as a widely used foaming and cross-linking agent for natural and synthetic rubbers (EPDM, SBR, NBR, PVC, PE, ABS) and thermoplastics, valued for producing a fine, uniform, odourless cell structure, and is currently sold into the Asian market.

4,4'-Oxybis(Benzenesulfonyl Hydrazide) (OBSH)

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