Description

8-Quinolinesulfonic Acid, 4-Chloro- is a specialized quinoline derivative that serves as a key synthetic intermediate and analytical reagent. Its sulfonic acid and chloro substituents make it a valuable building block for creating complex molecules with tailored properties. This compound is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications ranging from catalyst development to the synthesis of biologically active compounds.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those targeting infectious diseases or as a precursor for more complex heterocyclic systems.
• Agrochemical Synthesis: Serves as a key building block for developing advanced pesticides, herbicides, and fungicides due to its bioactive quinoline core.
• Catalyst & Ligand Preparation: Utilized in the preparation of metal-organic complexes and ligands for catalytic processes in fine chemical manufacturing.
• Analytical Chemistry: Acts as a chelating agent or a derivatization reagent in analytical methods for metal ion detection or separation.
• Dye & Pigment Manufacturing: Employed as an intermediate in the production of specialized dyes, pigments, and optical brighteners.
• Material Science Research: Investigated for the development of advanced polymeric materials, corrosion inhibitors, or functional coatings.

Basic Information

Product Name	8-Quinolinesulfonic Acid, 4-Chloro-
CAS No.	71331-01-6
Molecular Formula	C9H6ClNO3S
Molecular Weight	243.67 g/mol
Synonyms	4-Chloro-8-quinolinesulfonic acid; 4-Chloroquinoline-8-sulfonic acid; 8-Quinolinesulfonic acid, 4-chloro-; 4-Chloro-8-sulfoquinoline; 4-Chloroquinoline-8-sulphonic acid; 4-Chloro-8-quinolinesulphonic acid
EINECS	Contact for details

Quality Control

Our 8-Quinolinesulfonic Acid, 4-Chloro- is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

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%
Heavy Metals (as Pb)	≤ 20 ppm

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