Description

8-Hydroxyquinoline-4-Carboxylic Acid is a versatile and synthetically valuable derivative of the 8-hydroxyquinoline family, serving as a key organic intermediate and chelating agent. Its molecular structure, featuring both a carboxylic acid and a phenolic hydroxyl group, makes it a crucial building block for the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. This compound is essential for manufacturers and R&D laboratories developing active pharmaceutical ingredients (APIs), metal-chelating polymers, and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those with antimicrobial or metal-chelating properties.
• Agrochemical Synthesis: Used in the development of advanced fungicides and pesticides, leveraging its heterocyclic structure for biological activity.
• Metal Chelation & Catalysis: Acts as a ligand for various metal ions, finding use in catalytic systems, analytical chemistry, and materials science.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and other specialty organic compounds.
• Research & Development: A valuable tool in academic and industrial R&D for studying coordination chemistry and developing new synthetic methodologies.
• Polymer Additive: Can be incorporated into polymers to impart UV-stabilizing or metal-sequestering characteristics.

Basic Information

Product Name	8-Hydroxyquinoline-4-Carboxylic Acid
CAS No.	55698-67-4
Molecular Formula	C10H7NO3
Molecular Weight	189.17 g/mol
Synonyms	4-Carboxy-8-hydroxyquinoline; 8-Hydroxy-4-quinolinecarboxylic acid; 4-Quinolinecarboxylic acid, 8-hydroxy-; Oxine-4-carboxylic acid; 8-Hydroxyquinoline-4-carboxylate; 8-Hydroxy-4-quinolinecarboxylate; 8-Hydroxylepidine-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 8-Hydroxyquinoline-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele in research and manufacturing. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to ensure full traceability and compliance with your internal specifications.

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 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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.