Description

N,N'-Ethylenebisbenzenesulfonamide is a specialized organic chemical compound widely utilized as a high-performance additive and intermediate. Its value lies in its unique bis-sulfonamide structure, which imparts excellent thermal stability and compatibility with various polymer systems. This product is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance material properties and process efficiency.

Application

• Polymer Additive: Acts as a plasticizer, stabilizer, or cross-linking agent in engineering plastics and specialty polymer formulations.
• Rubber Industry: Used as a vulcanization accelerator or anti-scorching agent to improve the processing and performance of synthetic rubbers.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex sulfonamide derivatives for pharmaceuticals and agrochemicals.
• Epoxy Resin Systems: Functions as a curing agent or modifier to enhance the thermal and mechanical properties of epoxy composites.
• Adhesives and Sealants: Incorporated to improve adhesion, flexibility, and aging resistance in high-performance formulations.
• Lubricant Additive: Used as an extreme pressure (EP) additive or anti-wear agent in specialty lubricants and greases.

Basic Information

Product Name	N,N'-Ethylenebisbenzenesulfonamide
CAS No.	4392-52-3
Molecular Formula	C16H18N2O4S2
Molecular Weight	366.45 g/mol
Synonyms	1,2-Ethanediamine, N,N'-bis(phenylsulfonyl)-; N,N'-Bis(benzenesulfonyl)ethylenediamine; Ethylenediamine-N,N'-disulfanilide; Benzenesulfonamide, N,N'-1,2-ethanediylbis-; EBSA; Bis(benzenesulfonyl)ethylenediamine; N,N'-Ethylenedibenzenesulfonamide
EINECS	224-513-4

Quality Control

Our N,N'-Ethylenebisbenzenesulfonamide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and specialty applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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