Description

3-Methyl-8-Quinolinesulfonic Acid is a specialized organic sulfonic acid derivative of the quinoline family, serving as a key synthetic intermediate and functional building block. Its value lies in its unique molecular structure, which combines the aromatic quinoline core with a sulfonic acid group, enabling applications in advanced material synthesis and fine chemical manufacturing. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients, ligands, and functional dyes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those targeting specific biological pathways where the quinoline scaffold is active.
• Agrochemical Synthesis: Serves as a precursor for developing advanced pesticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Preparation: The sulfonic acid and nitrogen sites make it useful for creating chelating ligands in coordination chemistry and catalysis.
• Dye and Pigment Manufacturing: Acts as a key intermediate in the production of specialized quinoline-based dyes and colorants.
• Material Science Research: Employed in the development of functional polymers, ionic materials, and advanced organic frameworks.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic methods and other analytical techniques.

Basic Information

Product Name	3-Methyl-8-Quinolinesulfonic Acid
CAS No.	153886-69-2
Molecular Formula	C₁₀H₉NO₃S
Molecular Weight	223.25 g/mol
Synonyms	8-Quinolinesulfonic acid, 3-methyl-; 3-Methylquinoline-8-sulfonic acid; 3-Methyl-8-sulfoquinoline; 3-Methyl-8-quinolylsulfonic acid
EINECS	Contact for details

Quality Control

Our 3-Methyl-8-Quinolinesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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