Description

5,8-Quinolinedisulfonic Acid, 2-Methyl- is a specialized organic sulfonic acid derivative of the quinoline family. This compound serves as a valuable intermediate and functional building block in advanced chemical synthesis, prized for its dual sulfonic acid groups which impart high water solubility and reactivity. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and dye/colorant sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those requiring sulfonamide or highly water-soluble quinoline scaffolds.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a functional intermediate for creating water-soluble, light-fast dyes and colorants for textiles and inks.
• Chemical Research & Development: A versatile building block for organic synthesis, catalysis, and material science research.
• Corrosion Inhibitor Formulation: Potential component in specialized formulations for metal surface treatment and protection.
• Analytical Reagent: May be employed as a chelating agent or standard in analytical chemistry methodologies.

Basic Information

Product Name	5,8-Quinolinedisulfonic Acid, 2-Methyl-
CAS No.	782403-86-5
Molecular Formula	C₁₀H₈N₂O₆S₂
Molecular Weight	316.31 g/mol
Synonyms	2-Methyl-5,8-quinolinedisulfonic acid; 2-Methylquinoline-5,8-disulfonic acid; 5,8-Quinolinedisulfonic acid, 2-methyl-; 2-Methyl-5,8-dihydroxyquinolinedisulfonic acid (related form); 2-Methylquinoline-5,8-disulphonic acid; 2-Methyl-5,8-quinolinedisulphonic acid; 2-Methyl-Lepidine-5,8-disulfonic acid
EINECS	Contact for details

Quality Control

Our production of 5,8-Quinolinedisulfonic Acid, 2-Methyl- adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and titration for acid content. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your specific research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature and strong acid properties, store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
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.