Description

4,4'-Bi(Benzenesulfonohydrazide) is an organic chemical compound primarily utilized as a high-performance blowing agent and chemical intermediate. Its value lies in its ability to decompose at specific temperatures to generate gas, making it critical for creating uniform cellular structures in polymer foams. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking reliable foaming agents for advanced material formulations.

Application

• Primary Blowing Agent for the production of expanded polymers including PVC, EVA, and polyolefin foams.
• Chemical Intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Rubber Industry for the manufacture of microcellular rubber and sponge rubber products.
• Foam Masterbatch Production, where it is compounded into concentrates for easier processing.
• Specialty Adhesives & Sealants to introduce controlled porosity and reduce density.
• Cross-linking Agent in specific polymer modification processes.

Basic Information

Product Name	4,4'-Bi(Benzenesulfonohydrazide)
CAS No.	42933-52-8
Molecular Formula	C12H14N4O4S2
Molecular Weight	342.39 g/mol
Synonyms	4,4'-Oxybis(benzenesulfonyl hydrazide); OBSH; Bis(4-(hydrazinosulfonyl)phenyl) ether; 1,1'-(Oxydi-4,1-phenylene)bis(sulfonylhydrazine); 4,4'-Oxydibenzenesulfonohydrazide; p,p'-Oxybis(benzenesulfonyl hydrazide); NSC 403095; Bis(p-sulfonylhydrazinophenyl) ether
EINECS	256-012-9

Quality Control

Our 4,4'-Bi(Benzenesulfonohydrazide) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, decomposition temperature, and gas yield. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and performance reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized and should be kept away from strong oxidizers, heat sources, and open flame. Keep container tightly sealed when not in use to minimize moisture absorption and decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Decomposition Temperature	150 - 165 °C
Gas Yield	120 - 135 mL/g
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Particle Size (Typical)	Passes through 100 mesh

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.