Description

2,5-Dichloro-Pyridine 1-Oxide is a halogenated pyridine derivative that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both chlorine substituents and an N-oxide functional group, makes it a valuable building block for constructing complex molecules. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and anti-infective agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the pyridine N-oxide core contributes to biological activity.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalytic systems used in cross-coupling and other fine chemical reactions.
• Material Science Research: Acts as a monomer or functionalization agent in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: Serves as a standard or starting material in academic and industrial R&D for exploring new synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	2,5-Dichloro-Pyridine 1-Oxide
CAS No.	53976-62-8
Molecular Formula	C5H3Cl2NO
Molecular Weight	163.99 g/mol
Synonyms	2,5-Dichloropyridine 1-Oxide; 2,5-Dichloropyridine N-Oxide; 2,5-Dichloropyridine Oxide; Pyridine, 2,5-dichloro-, 1-oxide; 2,5-Dichloro-1-oxidopyridin-1-ium
EINECS	Contact for details

Quality Control

Every batch of 2,5-Dichloro-Pyridine 1-Oxide is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency meet the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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