Description

Sodium 2,5-Bis(p-Aminobenzamido)Benzenesulphonate is a high-purity, functionalized aromatic sulfonate salt designed for advanced chemical synthesis. This compound matters as a versatile and valuable intermediate, offering reactive amino and amido groups on a water-solubilizing sulfonate backbone for the development of specialized dyes, polymers, and pharmaceutical agents. It is primarily needed by research and industrial chemists in the fine chemical, specialty dye, and advanced material sectors seeking to create novel compounds with enhanced solubility and functionality.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing high-value, water-soluble azo dyes and reactive dyes, particularly for textiles and inks.
• Pharmaceutical Synthesis: Serves as a specialized intermediate in the research and development of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer Modification: Used to introduce ionic and functional groups into polymer chains, enhancing properties like dyeability, hydrophilicity, and adhesion.
• Crosslinking Agent: Functions as a potential crosslinker or chain extender in the production of specialty resins and polyamides.
• Chemical Research: Employed in academic and industrial R&D as a model compound or precursor for studying sulfonation and amidation reactions.
• Liquid Crystal and OLED Material Precursor: May be utilized in the synthesis of functional organic molecules for electronic display applications.

Basic Information

Product Name	Sodium 2,5-Bis(p-Aminobenzamido)Benzenesulphonate
CAS No.	67875-28-9
Molecular Formula	C20H17N4NaO6S
Molecular Weight	464.43 g/mol
Synonyms	2,5-Bis[(4-aminobenzoyl)amino]benzenesulfonic acid sodium salt; Benzenesulfonic acid, 2,5-bis[(4-aminobenzoyl)amino]-, sodium salt (1:1); Sodium 2,5-bis(4-aminobenzamido)benzenesulfonate; 2,5-Bis(p-aminobenzamido)benzenesulfonate sodium; 4,4'-(Sulfo-1,4-phenylenebis(azanediyl))dibenzamide sodium salt; Bis(4-aminobenzamido)benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2,5-Bis(p-Aminobenzamido)Benzenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics, supporting its use in research and industrial applications.

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 absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 1.0%
Solubility (1% in Water)	Clear, yellow solution

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