Description

6-Sulfopicolinic Acid is a versatile sulfonated heterocyclic carboxylic acid that serves as a key intermediate and chelating agent in advanced chemical synthesis. Its bifunctional structure, featuring both a sulfonic acid and a carboxylic acid group on a pyridine ring, provides unique metal-binding and solubility properties critical for high-performance applications. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds or enhance product performance.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring enhanced solubility or specific metal-chelating properties.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators with improved efficacy.
• Catalyst & Ligand Precursor: Acts as a precursor for specialized ligands in homogeneous catalysis and metal complex formation for industrial chemical processes.
• Electroplating & Metal Treatment: Employed as an additive in electroplating baths and metal surface treatment formulations to improve finish quality and process stability.
• Water Treatment Chelant: Functions as a component in scale and corrosion inhibitor formulations for industrial water systems due to its strong sequestering ability for divalent cations.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new coordination chemistry and material science applications.

Basic Information

Product Name	6-Sulfopicolinic Acid
CAS No.	18616-02-9
Molecular Formula	C6H5NO5S
Molecular Weight	203.17 g/mol
Synonyms	2-Pyridinecarboxylic acid, 6-sulfo-; Picolinic acid, 6-sulfo-; 6-Sulfopyridine-2-carboxylic acid; 2-Carboxy-6-sulfopyridine; 6-SPA; Sulphopicolinic acid; 6-Sulfonic acid picolinic acid
EINECS	Contact for details

Quality Control

Our 6-Sulfopicolinic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment supports compliance with cGMP and ISO standards for reliable integration into your supply chain.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the original container tightly sealed to minimize exposure to atmospheric humidity.

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)	≤ 10 ppm

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