Description

5-Nitropyridine-2-Sulfonic Acid is a high-purity, functionalized heterocyclic building block essential for advanced organic synthesis. This compound matters for its role as a key intermediate in the development of active pharmaceutical ingredients (APIs) and specialty agrochemicals, where its unique sulfonic acid and nitro-substituted pyridine structure enables precise molecular modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to introduce specific functionality into complex molecules.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in creating molecules with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of complex, nitrogen-containing dyes and functional pigments.
• Material Science Research: Employed in the synthesis of advanced polymers and functional materials that require sulfonated or nitrated aromatic components.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on heterocyclic and sulfonic acid chemistry.

Basic Information

Product Name	5-Nitropyridine-2-Sulfonic Acid
CAS No.	465529-94-6
Molecular Formula	C5H4N2O5S
Molecular Weight	204.16 g/mol
Synonyms	2-Pyridinesulfonic acid, 5-nitro-; 5-Nitro-2-pyridinesulfonic acid; 5-Nitropyridine-2-sulphonic acid; 2-Sulfonic acid-5-nitropyridine; 5-Nitro-2-sulfopyridine; 5-Nitropyridine-2-sulfonate; 5-Nitro-2-pyridylsulfonic acid
EINECS	Contact for details

Quality Control

Our 5-Nitropyridine-2-Sulfonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and reducing agents. Due to its chemical nature, it is recommended to handle and store this material in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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