Description

8-Mercaptoquinoline Hydrochloride is a versatile heterocyclic compound that serves as a critical building block and analytical reagent. Its core value lies in its dual functionality as a chelating agent and a precursor for synthesizing more complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for advanced applications.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with quinoline-based structures for antimicrobial or anticancer activity.
• Analytical Chemistry Reagent: Used as a selective chelating agent for the spectrophotometric determination and extraction of various metal ions in complex matrices.
• Agrochemical Synthesis: Building block for developing advanced crop protection agents and pesticides.
• Material Science Research: Employed in the development of organic semiconductors, ligands for catalysis, and functionalized polymers.
• Chemical Research & Development: Serves as a versatile starting material for synthesizing thioether derivatives and other modified quinoline compounds.
• Coordination Chemistry: Acts as a ligand to form stable complexes with transition metals for catalytic and sensing applications.

Basic Information

Product Name	8-Mercaptoquinoline Hydrochloride
CAS No.	491-33-8
Molecular Formula	C9H7NS·HCl
Molecular Weight	197.68 g/mol
Synonyms	8-Quinolinethiol Hydrochloride; 8-Thioquinoline Hydrochloride; 8-Sulfanylquinoline Hydrochloride; Quinoline-8-thiol Hydrochloride; 8-Mercaptoquinoline HCl; 8-Hydroxyquinoline Thioether Hydrochloride (common misnomer); Thiooxine Hydrochloride
EINECS	207-745-7

Quality Control

Our 8-Mercaptoquinoline Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and loss on drying, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to handle the material under an inert atmosphere for long-term storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.