Description

2-Hydroxyquinoline-5-Carboxylic Acid is a versatile quinoline derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both a carboxylic acid and a hydroxyl group on the quinoline core, 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: Key starting material or intermediate in the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Metal Chelating Agent: Acts as a ligand for metal ions, useful in analytical chemistry, catalysis, and water treatment formulations.
• Dye and Pigment Precursor: Serves as a building block for synthesizing quinoline-based dyes and organic pigments.
• Corrosion Inhibitor Component: Incorporated into formulations designed to protect metals in industrial systems.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	2-Hydroxyquinoline-5-Carboxylic Acid
CAS No.	83734-43-4
Molecular Formula	C10H7NO3
Molecular Weight	189.17 g/mol
Synonyms	5-Carboxy-2-hydroxyquinoline; 2-Quinolinol-5-carboxylic acid; 5-Carboxy-2-quinolinol; 2-Hydroxy-5-quinolinecarboxylic acid; Quinoline-5-carboxylic acid, 2-hydroxy-; 5-Quinolinecarboxylic acid, 2-hydroxy-; 2(1H)-Quinolinone-5-carboxylic acid (tautomeric form)
EINECS	Contact for details

Quality Control

Our 2-Hydroxyquinoline-5-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data for key parameters such as assay, related substances, and residual solvents. Our quality commitment ensures the material is suitable for demanding applications in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light to maintain stability and purity.

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	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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