Description

3-Hydroxypyridine-2-Sulfonic Acid is a versatile heterocyclic sulfonic acid derivative that serves as a key building block in advanced organic synthesis. Its unique structure, combining a pyridine ring with both hydroxyl and sulfonic acid functionalities, makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is particularly sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial 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 development of advanced herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core for bioactivity.
• Ligand and Chelating Agent: Functions as a ligand in coordination chemistry for metal catalysis or in the formulation of metal-sequestering agents.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of specialized dyes and organic pigments due to its aromatic sulfonic acid group.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and synthesizing complex heterocyclic compounds.
• Corrosion Inhibitor Formulation: Its molecular structure can be utilized in developing corrosion inhibitors for industrial water treatment systems.

Basic Information

Item	Detail
Product Name	3-Hydroxypyridine-2-Sulfonic Acid
CAS No.	88511-41-5
Molecular Formula	C5H5NO4S
Molecular Weight	175.16 g/mol
Synonyms	2-Pyridinol, 3-sulfo-; 3-Hydroxy-2-pyridinesulfonic Acid; 3-Hydroxypyridine-2-sulfonate; 2-Pyridinol-3-sulfonic Acid; 3-Sulfopyridin-2-ol; 3-Hydroxy-2-sulfopyridine; 3-Hydroxypyridine-2-sulphonic Acid; 2-Hydroxy-3-pyridinesulfonic Acid
EINECS	Contact for details

Quality Control

Our 3-Hydroxypyridine-2-Sulfonic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and loss on drying for moisture content, to ensure it meets exacting standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

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) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and incompatible materials.

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.