Description

2,2'-Biquinoline-4,4'-Dicarboxylic Acid is a high-purity, functionalized biquinoline derivative serving as a critical building block and ligand in advanced chemical synthesis. Its value lies in its rigid, conjugated structure and dual carboxylic acid functional groups, which enable precise molecular design and strong metal coordination. This compound is essential for researchers and manufacturers in the pharmaceutical, materials science, and coordination chemistry sectors, particularly for developing novel catalysts, organic electronic materials, and metal-organic frameworks (MOFs).

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, especially those requiring rigid, planar aromatic systems.
• Ligand for Catalysis: Used to create chelating ligands for transition metal catalysts in cross-coupling and other organic transformations.
• Materials Science Research: A fundamental building block for constructing organic semiconductors, luminescent materials, and conductive polymers.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker due to its two carboxylate groups, contributing to porous materials for gas storage and separation.
• Analytical Chemistry: Potential use in developing sensitive chromogenic or fluorogenic probes for metal ion detection.
• Coordination Chemistry Studies: Employed in academic and industrial research to study metal-ligand interactions and complex geometries.

Basic Information

Product Name	2,2'-Biquinoline-4,4'-Dicarboxylic Acid
CAS No.	207124-63-8
Molecular Formula	C₂₀H₁₂N₂O₄
Molecular Weight	344.32 g/mol
Synonyms	4,4'-Dicarboxy-2,2'-biquinoline; 2,2'-Biquinoline-4,4'-dicarboxylic acid; 4,4'-(2,2'-Biquinoline-4,4'-diyl)dibenzoic acid (common misnomer); BQDA; Biquinoline dicarboxylic acid; 2,2'-Diquinoline-4,4'-dicarboxylic acid; 4,4'-Biquinolinedicarboxylic acid
EINECS	Contact for details

Quality Control

Our 2,2'-Biquinoline-4,4'-Dicarboxylic Acid is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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). The product is light-sensitive and should be stored away from light. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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