Description

Quinoline-2,4-Dicarboxylic Acid CAS NO 5323-57-9 is a versatile heterocyclic dicarboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both a quinoline core and two carboxylic acid groups, makes it a valuable precursor for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of novel drug candidates, particularly those with quinoline-based structures for antimicrobial, anticancer, or anti-inflammatory applications.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic scaffold.
• Ligand and Chelating Agent: Serves as a precursor for the development of polydentate ligands in coordination chemistry and catalysis, useful in metal complexation and industrial catalytic processes.
• Polymer and Material Science: Acts as a monomer or cross-linking agent for creating high-performance polymers, resins, and metal-organic frameworks (MOFs) with specific thermal or chemical stability.
• Dye and Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, where the quinoline structure contributes to color fastness and specific light-absorption properties.
• Research and Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and synthesizing complex heterocyclic compounds.

Basic Information

Product Name	Quinoline-2,4-Dicarboxylic Acid
CAS No.	5323-57-9
Molecular Formula	C11H7NO4
Molecular Weight	217.18 g/mol
Synonyms	2,4-Quinolinedicarboxylic Acid; Quinoline-2,4-dicarboxylic acid; 2,4-Pyridinedicarboxylic acid, 1,2-dihydro-; 1H-Quinoline-2,4-dicarboxylic acid; 2,4-Dicarboxyquinoline; 2,4-Quinolindicarboxylic acid; QDA
EINECS	226-198-5

Quality Control

Our Quinoline-2,4-Dicarboxylic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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