Description

4-Hydroxyquinoline-2-Carboxylic Acid, Hydrate, 98 is a high-purity, functionalized quinoline derivative that serves as a versatile and critical building block in advanced organic synthesis. Its value lies in providing a precise molecular scaffold for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and specialty fine chemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality intermediates for their R&D and production processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel quinoline-based drug candidates, including potential antimicrobials, anticancer agents, and anti-inflammatory compounds.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators where the quinoline core imparts specific biological activity.
• Coordination Chemistry & Chelating Agent: The carboxylic acid and hydroxyl groups make it a useful ligand for metal complexation in catalytic systems and material applications.
• Organic Electronic Materials: Serves as a building block for the synthesis of complex organic molecules used in OLEDs, sensors, and other electronic devices.
• Chemical Research & Development: A valuable reagent for academic and industrial research focused on heterocyclic chemistry, medicinal chemistry, and new synthetic methodologies.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized quinoline-based dyes and colorants.

Basic Information

Product Name	4-Hydroxyquinoline-2-Carboxylic Acid, Hydrate, 98
CAS No.	345909-35-5
Molecular Formula	C10H7NO3 · xH2O
Molecular Weight	189.17 (Anhydrous basis)
Synonyms	4-Hydroxy-2-quinolinecarboxylic acid hydrate; 2-Quinolinecarboxylic acid, 4-hydroxy-, hydrate; 4-Hydroxyquinoline-2-carboxylic acid monohydrate; 4-Hydroxy-2-quinolinecarboxylic acid; 4-Hydroxyquinaldic acid; 4-Hydroxy-2-quinaldinic acid; 4-Hydroxy-2-carboxyquinoline; 4-Hydroxyquinaldic acid hydrate
EINECS	Contact for details

Quality Control

Our 4-Hydroxyquinoline-2-Carboxylic Acid, Hydrate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the declared 98% minimum purity specification and is free from significant impurities. A comprehensive Certificate of Analysis (COA) detailing identity, purity (by HPLC), and related substances is available upon request for quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). The product is sensitive to strong acids and organic solvents; keep away from incompatible materials. For long-term storage, consider conditions that minimize exposure to moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	Consistent with hydrate form
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residue on Ignition	≤ 0.1%

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