Description

5-Quinolinesulfonic Acid, 2-Methyl- CAS NO 88551-85-3 is a specialized heterocyclic sulfonic acid derivative, serving as a key synthetic intermediate and functional building block in advanced chemical synthesis. Its value lies in the unique reactivity of the sulfonic acid group and the quinoline scaffold, enabling precise molecular modifications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of complex drug molecules, particularly those targeting specific biological pathways where the quinoline core is active.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its structural properties for enhanced efficacy.
• Dye and Pigment Manufacturing: Acts as a key intermediate for producing sulfonated quinoline-based dyes, which offer excellent color fastness and solubility.
• Ligand and Catalyst Development: Serves as a building block for creating sophisticated chelating ligands used in catalytic systems and metal ion sequestration.
• Corrosion Inhibitor Formulation: Incorporated into specialty chemical blends designed to protect metals in harsh industrial environments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction methodologies.

Basic Information

Product Name	5-Quinolinesulfonic Acid, 2-Methyl-
CAS No.	88551-85-3
Molecular Formula	C10H9NO3S
Molecular Weight	223.25 g/mol
Synonyms	2-Methylquinoline-5-sulfonic acid; 2-Methyl-5-quinolinesulfonic acid; 5-Sulfo-2-methylquinoline; 2-Methyl-5-sulfoquinoline; Quinoline, 2-methyl-5-sulfo-; 2-Methylquinoline-5-sulphonic acid; 2-Methyl-5-quinolinesulphonic acid
EINECS	Contact for details

Quality Control

Every batch of 5-Quinolinesulfonic Acid, 2-Methyl- is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards through rigorous analytical protocols. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with each shipment to guarantee consistent quality and traceability for your critical applications.

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). Due to its strong acid nature, keep away from incompatible materials such as strong bases and oxidizing agents. Handle and store in accordance with all applicable safety regulations.

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	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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