Description

2,2'-[1,4-Phenylenebis (Carbonylimino)] Bis-Benzoic Acid is a high-purity organic intermediate with a well-defined aromatic structure. This compound matters for its role as a critical building block in the synthesis of advanced materials and specialty chemicals, offering reliable performance and consistency. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and polymer industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, symmetrical aromatic linkers.
• Polymer & Resin Synthesis: Used as a monomer or cross-linking agent to produce high-performance polyamides, polyimides, and other specialty polymers with enhanced thermal stability.
• Agrochemical Production: Serves as an intermediate in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Liquid Crystal & OLED Materials: Acts as a core structural unit in the development of organic electronic materials for displays and lighting.
• Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry and material science.

Basic Information

Product Name	2,2'-[1,4-Phenylenebis (Carbonylimino)] Bis-Benzoic Acid
CAS No.	3980-13-0
Molecular Formula	C22H16N2O6
Molecular Weight	404.37 g/mol
Synonyms	N,N'-(1,4-Phenylenedicarbonyl)di-2-aminobenzoic Acid; 2,2'-[(1,4-Dicarboxyphenyl)imino]dibenzoic Acid; 4,4'-(1,4-Phenylenebis(azanediyl))bis(2-carboxybenzoic Acid); Bis(2-carboxyphenyl)terephthalamic Acid; Terephthalamic Acid, N,N'-bis(2-carboxyphenyl)-; 3980-13-0; BPDBA
EINECS	Contact for details

Quality Control

Our 2,2'-[1,4-Phenylenebis (Carbonylimino)] Bis-Benzoic Acid undergoes rigorous quality testing to ensure compliance with industry standards. We implement strict in-process controls and final batch analysis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

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

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