Description

3-Hydroxyquinoline-4-Carboxylic Acid is a versatile heterocyclic building block and key organic intermediate. This compound is valued for its unique fused-ring structure, which serves as a crucial precursor in the synthesis of more complex molecules. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of various active pharmaceutical ingredients (APIs) and potential drug candidates, particularly those with quinoline-based structures.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging its heterocyclic core for biological activity.
• Coordination Chemistry & Chelating Agent: Serves as a ligand in metal-organic frameworks (MOFs) and catalysts due to its carboxylic acid and hydroxyl functional groups.
• Dye and Pigment Manufacturing: Acts as a precursor for the synthesis of specialized quinoline-based dyes and colorants.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and fine chemicals.
• Material Science Research: Investigated for use in the development of organic electronic materials and photoluminescent compounds.

Basic Information

Product Name	3-Hydroxyquinoline-4-Carboxylic Acid
CAS No.	118-13-8
Molecular Formula	C10H7NO3
Molecular Weight	189.17 g/mol
Synonyms	4-Carboxy-3-hydroxyquinoline; 3-Hydroxy-4-quinolinecarboxylic acid; 4-Quinolinecarboxylic acid, 3-hydroxy-; 3-Hydroxycinchoninic Acid; Kynurenic Acid Derivative; Quinoline-4-carboxylic acid, 3-hydroxy-; 118-13-8
EINECS	204-239-2

Quality Control

Our 3-Hydroxyquinoline-4-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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