Description

6-Ethylpyridine-3-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 pyridine 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, particularly for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, especially those targeting the central nervous system or acting as enzyme inhibitors.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the pyridine-sulfonic acid moiety contributes to biological activity.
• Ligand & Catalyst Preparation: Serves as a starting material for creating complex ligands used in transition metal catalysis for fine chemical production.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and colorants, particularly azo dyes and fluorescent markers.
• Corrosion Inhibitor Formulation: Incorporated into formulations designed to protect metals in industrial processes due to its acidic and chelating properties.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new chemical reactions and material properties.

Basic Information

Product Name	6-Ethylpyridine-3-Sulfonic Acid
CAS No.	801144-32-1
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	3-Pyridinesulfonic acid, 6-ethyl-; 6-Ethyl-3-pyridinesulfonic acid; 6-Ethylpyridine-3-sulfonic acid; 3-Sulfo-6-ethylpyridine; 6-Ethylnicotinic acid sulfonic acid derivative; 6-Ethyl-3-sulfopyridine; 2-Ethyl-5-sulfopyridine (alternative numbering)
EINECS	Contact for details

Quality Control

Our 6-Ethylpyridine-3-Sulfonic Acid is produced under strict quality management protocols. Each 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 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 tightly sealed 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
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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