Description

4-Sulfopicolinic Acid is a specialized organic acid derivative of picolinic acid, featuring a sulfonic acid group that imparts unique solubility and chelating properties. This compound is valued for its ability to act as a versatile intermediate and a powerful metal-chelating agent in advanced chemical synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular modification and metal ion control.

Application

• As a key chelating agent and intermediate in the synthesis of pharmaceutical actives and contrast agents.
• In the formulation of specialty catalysts and ligands for homogeneous catalysis.
• As a building block for advanced surfactants and detergents with enhanced solubility profiles.
• In agrochemical research for developing novel plant protection agents and micronutrient delivery systems.
• For water treatment formulations as a scale and corrosion inhibitor.
• In analytical chemistry as a reagent for metal ion detection and separation.
• As a monomer or additive in the production of functional polymers with ion-exchange properties.
• In electroplating baths to improve bath stability and deposit quality.

Basic Information

Product Name	4-Sulfopicolinic Acid
CAS No.	14045-14-8
Molecular Formula	C6H5NO5S
Molecular Weight	203.17 g/mol
Synonyms	4-Sulfopyridine-2-carboxylic Acid; 2-Pyridinecarboxylic Acid, 4-Sulfo-; Picolinic Acid, 4-Sulfo-; 4-Sulfopyridine-2-carboxylic Acid; 4-Sulfonic Acid Picolinic Acid; 4-SPCA; 4-Sulfopicolinate; 2-Carboxy-4-sulfopyridine
EINECS	Contact for details

Quality Control

Our 4-Sulfopicolinic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.