Description

2-Methylpyridine-3-Sulfonic Acid is a versatile heterocyclic sulfonic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functionality, combining the aromatic pyridine ring system with a strongly acidic sulfonic acid group, enabling its use in creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is utilized in the development of active ingredients, catalysts, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Building block for creating advanced herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Ligand and Catalyst Development: Used to prepare sulfonated pyridine-based ligands for metal complexes in homogeneous catalysis.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized azo dyes and colorants requiring sulfonic acid groups for solubility and fiber affinity.
• Polymer Modification: Incorporation into polymer chains to impart acidity, hydrophilicity, or ion-exchange properties.
• Chemical Research & Development: A valuable reagent for method development and exploring new reaction pathways in academic and industrial R&D labs.

Basic Information

Product Name	2-Methylpyridine-3-Sulfonic Acid
CAS No.	858852-27-4
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	3-Pyridinesulfonic acid, 2-methyl-; 2-Methyl-3-pyridinesulfonic acid; 2-Methylnicotinic acid sulfonic acid derivative; 2-Picoline-3-sulfonic acid; 3-Sulfo-2-picoline; 2-Methylpyridine-3-sulfonate
EINECS	Contact for details

Quality Control

Our 2-Methylpyridine-3-Sulfonic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and batch-to-batch consistency.

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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.