Description

(Sulphonyldiimino)Bisbenzoic Acid CAS NO 72017-26-6 is a specialized organic compound featuring a sulfonyldiimino bridge connecting two benzoic acid moieties. This unique molecular architecture makes it a valuable intermediate for synthesizing high-performance polymers, advanced dyes, and functional materials. It is primarily sought by research and development laboratories, pharmaceutical ingredient manufacturers, and specialty chemical producers working on novel polymeric structures and complex organic syntheses.

Application

• Polymer Intermediate: A key building block for the synthesis of polyamides, polyimides, and other high-temperature and chemical-resistant polymers.
• Pharmaceutical Synthesis: Serves as a crucial precursor in the development of active pharmaceutical ingredients (APIs) with specific sulfonamide or diimide functionalities.
• Dye and Pigment Manufacturing: Used in the production of advanced colorants and optical brighteners due to its conjugated aromatic system.
• Ligand and Chelating Agent: Functions as a ligand in coordination chemistry for metal complexation and catalysis applications.
• Cross-linking Agent: Employed in the formulation of epoxy resins and other thermosetting plastics to enhance mechanical properties.
• Material Science Research: Investigated for use in organic semiconductors, liquid crystals, and other advanced electronic materials.

Basic Information

Product Name	(Sulphonyldiimino)Bisbenzoic Acid
CAS No.	72017-26-6
Molecular Formula	C14H10N2O6S
Molecular Weight	334.30 g/mol
Synonyms	4,4'-Sulfonyldiimino dibenzoic acid; 4,4'-Sulfonylbis(iminobenzoic acid); 4,4'-Sulfonyldiiminodibenzoic acid; 4,4'-(Sulfonylbis(imino))dibenzoic acid; 4-Carboxybenzenesulfonamide, N-(4-carboxyphenyl)-; 4,4'-Sulfonyldibenzoic acid diimide; Bis(4-carboxyphenyl)sulfonyl diimide; [1,1'-Sulfonylbis(4,1-phenylene)]bis(azanediyl)bis(methanone)
EINECS	Contact for details

Quality Control

Our (Sulfonyldiimino)Bisbenzoic Acid 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. Our quality commitment supports applications requiring high-purity intermediates for research and commercial synthesis.

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). Keep away from strong oxidizing agents and strong bases. The material may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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