Description

2,2'-Ethylenebis- (5-Aminobenzenesulfonate) Disodium Salt is a high-purity, water-soluble organic salt characterized by its bifunctional aromatic amine and sulfonate groups. This compound is valued for its role as a versatile intermediate and functional additive, particularly in advanced material synthesis and specialty chemical manufacturing. It is essential for industries such as polymer production, dye and pigment chemistry, and pharmaceutical research where precise molecular architecture is required.

Application

• Polymer & Resin Synthesis: Acts as a monomer or cross-linking agent for producing specialty polyamides, polyimides, and epoxy resins with enhanced thermal and chemical resistance.
• Dye & Pigment Intermediates: Serves as a key precursor in the synthesis of azo dyes, optical brighteners, and high-performance pigments.
• Pharmaceutical Intermediates: Utilized in the research and development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Water Treatment Chemicals: Functions as a chelating agent or scale inhibitor in industrial water treatment formulations.
• Electroplating & Surface Treatment: Used as an additive in electroplating baths to improve coating uniformity and adhesion.
• Analytical Reagent: Employed as a standard or reagent in analytical chemistry and biochemical research.

Basic Information

Product Name	2,2'-Ethylenebis- (5-Aminobenzenesulfonate) Disodium Salt
CAS No.	93981-27-2
Molecular Formula	C₁₄H₁₂N₂Na₂O₆S₂
Molecular Weight	422.36 g/mol
Synonyms	Disodium 2,2'-(Ethane-1,2-diyl)bis(5-aminobenzenesulfonate); 2,2'-(1,2-Ethanediyl)bis[5-aminobenzenesulfonic acid] disodium salt; Ethylenebis(5-aminobenzenesulfonic acid) disodium salt; 4,4'-(Ethane-1,2-diyl)bis(2-aminobenzenesulfonic acid) disodium salt; Bis(5-amino-2-sulfophenyl)ethane disodium salt
EINECS	Contact for details

Quality Control

Our 2,2'-Ethylenebis- (5-Aminobenzenesulfonate) Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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