Description

3,3'-Sulphonyldi(Benzenesulphonohydrazide) is a specialized chemical compound belonging to the class of sulfonyl hydrazides. This product matters as a high-purity chemical intermediate and blowing agent precursor, offering reliable performance in controlled foaming applications. Industrial manufacturers and R&D laboratories in the polymer, rubber, and specialty chemical sectors need it for developing advanced materials and formulations.

Application

• Primary use as a chemical blowing agent (CBA) and foaming agent precursor in the production of plastics and rubber.
• Key intermediate in the synthesis of other sulfonyl hydrazide derivatives for specialized applications.
• Used in polymer modification processes to create lightweight, microcellular foam structures.
• Employed in cross-linking and curing reactions within specialty elastomer formulations.
• Applicable in research and development for novel material science and polymer chemistry.
• Potential use in the production of expanded polyolefins, PVC, and other thermoplastic foams.

Basic Information

Product Name	3,3'-Sulphonyldi(Benzenesulphonohydrazide)
CAS No.	3375-11-9
Molecular Formula	C12H14N4O6S2
Molecular Weight	374.39 g/mol
Synonyms	3,3'-Sulfonylbis(benzenesulfonohydrazide); 1,1'-(Sulfonylbis(1,4-phenylenesulfonyl))dihydrazine; Benzenesulfonic acid, 3,3'-sulfonylbis-, dihydrazide; OBSH (Oxybis(benzenesulfonyl hydrazide)); 4,4'-Oxybis(benzenesulfonyl hydrazide); 4,4'-Oxydibenzenesulfonohydrazide; Blowing Agent OBSH; Chemical Foaming Agent OBSH
EINECS	222-163-6

Quality Control

Our 3,3'-Sulphonyldi(Benzenesulphonohydrazide) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical parameters is provided with every shipment to guarantee supply reliability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155 - 165 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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