Description

2-Methylpyridine-4-Sulfonic Acid is a versatile sulfonated pyridine derivative serving as a key building block in advanced organic synthesis. Its value lies in its dual functionality, combining the aromatic nitrogen heterocycle of picoline with a strongly acidic sulfonic acid group, enabling its use in catalysis and as a precursor for complex molecules. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Crucial for synthesizing novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Serves as a precursor for developing advanced herbicides, fungicides, and plant growth regulators.
• Catalyst & Ligand Precursor: Used in the preparation of metal-complexing agents and organocatalysts for fine chemical production.
• Dye & Pigment Manufacturing: Acts as a sulfonation agent and intermediate in the synthesis of specialty colorants.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new synthetic methodologies.

Basic Information

Product Name	2-Methylpyridine-4-Sulfonic Acid
CAS No.	408533-46-0
Molecular Formula	C₆H₇NO₃S
Molecular Weight	173.19 g/mol
Synonyms	4-Picoline-2-sulfonic Acid; 2-Methyl-4-pyridinesulfonic Acid; 4-Methylpyridine-2-sulfonic Acid; 2-Picoline-4-sulfonic Acid; 4-Sulfo-2-picoline; 2,4-Lutidinesulfonic Acid (isomer); 4-Methyl-2-pyridinesulfonic Acid; α-Picoline-γ-sulfonic Acid
EINECS	Contact for details

Quality Control

Our 2-Methylpyridine-4-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and high industry standards. Certificates of Analysis (COA) documenting all critical parameters 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. 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)	≤ 2.0%
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.