Description

6-Amino-5-Nitro-3-Pyridinesulfonic Acid is a high-purity, functionalized pyridine derivative serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both amino and nitro groups on a sulfonated pyridine ring, makes it an essential intermediate for creating complex molecules with specific electronic and binding properties. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty dye sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors where the sulfonic acid group enhances solubility.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its reactive sites for creating targeted bioactive molecules.
• Dye and Pigment Manufacturing: Serves as a core intermediate for producing azo dyes and other complex colorants, where the nitro and amino groups are crucial for chromophore formation.
• Ligand and Chelating Agent Production: Utilized in the creation of specialized ligands for catalysis or metal ion sequestration in industrial and analytical chemistry.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chemical reactions, synthesizing novel heterocyclic compounds, and material science applications.
• Chemical Sensor Development: Acts as a functional component in the design of chemical sensors due to its ability to undergo specific, detectable reactions with analytes.

Basic Information

Item	Detail
Product Name	6-Amino-5-Nitro-3-Pyridinesulfonic Acid
CAS No.	62009-38-5
Molecular Formula	C5H5N3O5S
Molecular Weight	219.17 g/mol
Synonyms	3-Pyridinesulfonic acid, 6-amino-5-nitro-; 5-Nitro-6-aminopyridine-3-sulfonic acid; 6-Amino-5-nitropyridine-3-sulfonic acid; ANPSA; 62009-38-5; 5-Nitro-6-amino-3-pyridinesulfonic acid; 6-Amino-5-nitro-3-pyridylsulfonic acid
EINECS	Contact for details

Quality Control

Every batch of 6-Amino-5-Nitro-3-Pyridinesulfonic Acid is manufactured and tested under a strict quality management system to ensure consistency and reliability for industrial and research applications. Our standard quality protocol includes comprehensive analysis to confirm identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) documenting lot-specific results are available upon request to support your quality assurance and regulatory needs.

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). 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	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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