Description

2,6-Dimethylpyridine-3-Sulfonic Acid is a specialized heterocyclic sulfonic acid derivative that serves as a versatile building block in advanced organic synthesis. Its core value lies in its dual functionality, combining the structural features of a substituted pyridine with a strongly acidic sulfonic acid group, enabling its use in catalysis and as a key intermediate for complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the pyridine-sulfonate moiety imparts specific biological activity.
• Catalyst & Ligand Preparation: Serves as a starting material for creating metal-chelating ligands and organocatalysts used in asymmetric synthesis and polymerization reactions.
• Dye & Pigment Manufacturing: Acts as an intermediate for synthesizing specialized azo dyes and colorants with enhanced solubility and fastness properties.
• Corrosion Inhibitor Formulation: Incorporated into formulations for metal surface treatment and cooling water systems due to its acidic and complexing characteristics.
• Polymer Modification: Utilized to introduce sulfonic acid groups into polymer backbones, creating ion-exchange resins or proton-conducting membranes for fuel cells.

Basic Information

Product Name	2,6-Dimethylpyridine-3-Sulfonic Acid
CAS No.	87655-41-2
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	3-Pyridinesulfonic acid, 2,6-dimethyl-; 2,6-Lutidine-3-sulfonic acid; 3-Sulfo-2,6-lutidine; 2,6-Dimethyl-3-pyridinesulfonic acid; 2,6-Dimethyl-3-sulfopyridine; Lutidine-3-sulfonic acid; 87655-41-2 (CAS)
EINECS	Contact for details

Quality Control

Our 2,6-Dimethylpyridine-3-Sulfonic Acid is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, IR and NMR for structural confirmation, and tests for residual solvents and moisture. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance 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. 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%
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.