Description

5-Methylpyridine-3-Sulfonic Acid is a versatile heterocyclic sulfonic acid derivative, serving as a key building block in advanced organic synthesis. Its value lies in its dual functionality, combining the aromatic pyridine ring 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 and agrochemical industries, particularly for developing active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting the central nervous system.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands used in metal catalysis and coordination chemistry.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of complex organic dyes and colorants.
• Corrosion Inhibitor Formulation: Utilized in the development of high-performance corrosion inhibitors for industrial applications.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new chemical reactions and material properties.

Basic Information

Product Name	5-Methylpyridine-3-Sulfonic Acid
CAS No.	4808-70-2
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	3-Pyridinesulfonic acid, 5-methyl-; 5-Methyl-3-pyridinesulfonic acid; 3-Sulfo-5-picoline; 5-Methylnicotinic acid sulfonic acid; 5-Methylpyridine-3-sulfonate; 5-Methyl-3-sulfopyridine; Picoline-3-sulfonic acid
EINECS	Contact for details

Quality Control

Our 5-Methylpyridine-3-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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 tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product quality and stability.

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	≤ 0.1%
Heavy Metals	≤ 20 ppm

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