Description

Quinoline-2-Sulfonic Acid is a versatile heterocyclic sulfonic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its dual functionality, acting as both a strong acid catalyst and a sulfonating agent for introducing the sulfonic acid group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to create intermediates for active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of quinoline-based drug candidates, including potential antimicrobial and antimalarial agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a sulfonating agent and intermediate for creating water-soluble dyes and optical brighteners.
• Catalyst and Ligand: Serves as an acid catalyst in organic reactions or as a precursor for metal-chelating ligands in coordination chemistry.
• Corrosion Inhibitor Formulation: A component in specialty formulations designed to protect metals in industrial processes.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Item	Detail
Product Name	Quinoline-2-Sulfonic Acid
CAS No.	6046-38-4
Molecular Formula	C9H7NO3S
Molecular Weight	209.22 g/mol
Synonyms	2-Quinolinesulfonic Acid; Quinoline-2-sulphonic Acid; 2-Sulfoquinoline; 6046-38-4; Quinolinesulfonic Acid; 2-Quinoline Sulfonic Acid; 2-Quinolylsulfonic Acid; NSC 403697
EINECS	227-933-5

Quality Control

Our Quinoline-2-Sulfonic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place with controlled humidity. Recommended storage temperature is 15-25°C. Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.