Description

4-Nitropyridine N-Oxide is a versatile heterocyclic building block and a key intermediate in organic synthesis. Its value lies in its reactive nitro and N-oxide functional groups, which facilitate the synthesis of complex molecules for advanced research and industrial applications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing functionalized pyridine cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, insecticides, and fungicides.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in coordination chemistry and catalysis.
• Material Science Research: Employed in the synthesis of advanced organic materials, including liquid crystals and electronic chemicals.
• Chemical Research: A fundamental reagent for studying nitration reactions, heterocyclic chemistry, and as a model compound in methodological development.

Basic Information

Product Name	4-Nitropyridine N-Oxide
CAS No.	1124-33-0
Molecular Formula	C5H4N2O3
Molecular Weight	140.10 g/mol
Synonyms	4-Nitropyridine 1-Oxide; Pyridine, 4-nitro-, 1-oxide; 4-Nitropyridine Oxide; 1-Hydroxy-4-nitropyridinium; 4-Nitropyridinium-1-olate; γ-Nitropyridine N-Oxide; 4-Nitro-1-oxidopyridin-1-ium
EINECS	214-389-5

Quality Control

Our 4-Nitropyridine N-Oxide is produced 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 industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%

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