Description

4-Hydroxyquinoline-n-Oxide is a versatile heterocyclic compound that serves as a critical intermediate and research chemical. Its unique quinoline-based structure makes it valuable for synthesizing more complex molecules and for use in various biochemical studies. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking high-purity building blocks.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with quinoline scaffolds.
• Agrochemical Research: Used in the development and study of novel pesticides, herbicides, and fungicides.
• Biochemical Probe: Employed in research to study enzyme inhibition, cellular processes, and as a model compound in metabolic studies.
• Material Science: Acts as a ligand or building block for metal-organic frameworks (MOFs) and functional organic materials.
• Dye & Pigment Intermediate: Serves in the synthesis of specialized dyes and optical materials.
• Academic & Industrial R&D: A standard reagent for method development and chemical education in organic chemistry laboratories.

Basic Information

Product Name	4-Hydroxyquinoline-n-Oxide
CAS No.	3039-74-5
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	4-Hydroxyquinoline 1-oxide; 4-Hydroxy-1-oxidoquinolin-1-ium; Quinolin-4-ol 1-oxide; 1-Hydroxy-4-quinolinone 1-oxide; 4-Quinolinol 1-oxide; 4-HQO; 4-Hydroxyquinoline N-oxide
EINECS	221-247-7

Quality Control

Our 4-Hydroxyquinoline-n-Oxide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.