Description

6-Methylpyridine-3-Sulfonic Acid is a versatile heterocyclic sulfonic acid derivative that serves 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 as both a reactant and a catalyst or ligand precursor. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediates: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and anti-infectives.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the pyridine-sulfonate moiety imparts specific biological activity.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized ligands for metal catalysis and organocatalysts used in asymmetric synthesis.
• Dye and Pigment Manufacturing: Intermediate in the production of sulfonated azo dyes and other colorants requiring enhanced water solubility and fiber affinity.
• Corrosion Inhibitor Formulations: Component in specialty chemical blends designed to protect metal surfaces in industrial processes.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	6-Methylpyridine-3-Sulfonic Acid
CAS No.	4808-69-9
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	3-Pyridinesulfonic acid, 6-methyl-; 6-Methyl-3-pyridinesulfonic acid; 2-Methyl-5-sulfopyridine; 5-Sulfo-2-picoline; 2-Picoline-5-sulfonic acid; 6-Methylnicotinic acid sulfonic acid derivative; 6-Methylpyridine-3-sulfonate
EINECS	Contact for details

Quality Control

Our 6-Methylpyridine-3-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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, and 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 oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 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.