Description

3-Nitropyridine-2-Sulfonic Acid is a versatile and high-value sulfonated nitropyridine derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both a nitro group and a sulfonic acid moiety on the pyridine ring, makes it an essential precursor for creating complex heterocyclic compounds and functional materials. This intermediate is particularly valuable for researchers and manufacturers in the pharmaceutical and agrochemical sectors developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, particularly those targeting neurological and infectious diseases.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides with specific modes of action.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in metal-catalyzed coupling reactions.
• Functional Material Research: Building block for dyes, pigments, and organic electronic materials due to its electron-withdrawing properties.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new heterocyclic chemistry and reaction pathways.

Basic Information

Product Name	3-Nitropyridine-2-Sulfonic Acid
CAS No.	54247-50-6
Molecular Formula	C5H4N2O5S
Molecular Weight	204.16 g/mol
Synonyms	2-Pyridinesulfonic acid, 3-nitro-; 3-Nitro-2-pyridinesulfonic acid; 3-Nitropyridine-2-sulphonic acid; 3-Nitro-2-sulfopyridine; 2-Sulfo-3-nitropyridine
EINECS	Contact for details

Quality Control

Our 3-Nitropyridine-2-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing all specifications and test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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