Description

8-Quinolinesulfonic Acid, 2-Methyl- is a specialized organic sulfonic acid derivative of the quinoline family, serving as a versatile chemical intermediate and analytical reagent. Its unique structure, combining a sulfonic acid group with a methylated quinoline core, provides valuable properties for synthesis and complexation. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel quinoline-based drug candidates, including potential antimicrobial and anticancer agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Catalyst & Ligand Precursor: Acts as a precursor for metal-chelating ligands in homogeneous catalysis and coordination chemistry.
• Analytical Reagent: Employed in analytical chemistry as a complexing agent for the detection and quantification of specific metal ions.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of specialized dyes, pigments, and optical brighteners.
• Corrosion Inhibitor Formulation: Component in formulations designed to protect metals in acidic or challenging environments.
• Polymer Modification: Used to introduce sulfonic acid functionality into polymers for ion-exchange or hydrophilic properties.
• Research & Development: Essential tool in academic and industrial R&D for exploring new chemical reactions and material properties.

Basic Information

Product Name	8-Quinolinesulfonic Acid, 2-Methyl-
CAS No.	146257-38-7
Molecular Formula	C10H9NO3S
Molecular Weight	223.25 g/mol
Synonyms	2-Methylquinoline-8-sulfonic acid; 2-Methyl-8-quinolinesulfonic acid; 8-Sulfo-2-methylquinoline; 2-Methyl-8-sulfoquinoline; Quinoline, 2-methyl-8-sulfo-; 2-Methylquinoline-8-sulphonic acid (British spelling); 2-Me-8-QSA
EINECS	Contact for details

Quality Control

Our production of 8-Quinolinesulfonic Acid, 2-Methyl- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and incompatible materials. Due to its strong acid nature, ensure containers are made of compatible materials and are clearly labeled.

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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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