Description

5-Hydroxyquinoline is a versatile heterocyclic organic compound that serves as a crucial building block in advanced chemical synthesis. Its unique quinoline structure with a hydroxyl substituent makes it a valuable intermediate for creating complex molecules with specific functional properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients, ligands, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with quinoline-based structures for antimicrobial or antimalarial applications.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the quinoline moiety imparts specific biological activity.
• Metal Chelation & Catalysis: Acts as a ligand for metal ions in catalytic systems and in the development of metal-organic frameworks (MOFs) or analytical reagents.
• Dye & Pigment Manufacturing: Serves as an intermediate for the synthesis of complex dyes, pigments, and optical brighteners.
• Corrosion Inhibition: Utilized in formulations for metal surface treatments and corrosion inhibitors due to its ability to form protective layers.
• Research & Development: A fundamental reagent in organic chemistry research for constructing novel heterocyclic compounds and studying reaction mechanisms.

Basic Information

Product Name	5-Hydroxyquinoline
CAS No.	578-67-6
Molecular Formula	C9H7NO
Molecular Weight	145.16 g/mol
Synonyms	5-Quinolinol; Quinolin-5-ol; 8-Hydroxyquinoline (isomer); 5-Hydroxyquinoline; Oxine (related compound); 5-Quinolol; 5-HQ; 1-Azanaphthalene-5-ol
EINECS	209-440-7

Quality Control

Our 5-Hydroxyquinoline is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthesis and research. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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