Description

3,4-Pyridinedicarbonyl Dichloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its core value lies in its dual acid chloride functionality, which enables efficient, high-yield coupling reactions to construct complex heterocyclic systems. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of complex drug molecules, particularly those containing pyridine or fused pyridine-based heterocycles with potential therapeutic activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the pyridine moiety contributes to biological activity and environmental stability.
• Ligand and Catalyst Precursor: Serves as a starting material for synthesizing specialized chelating ligands and organometallic catalysts used in asymmetric synthesis and polymerization processes.
• Polymer Chemistry: Employed in the creation of novel polyamides, polyimides, and other functional polymers with enhanced thermal stability or specific electronic properties for advanced materials.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new chemical entities, molecular libraries, and structure-activity relationships (SAR).

Basic Information

Product Name	3,4-Pyridinedicarbonyl Dichloride
CAS No.	1889-02-7
Molecular Formula	C7H3Cl2NO2
Molecular Weight	204.01 g/mol
Synonyms	3,4-Pyridinedicarboxylic Acid Dichloride; 3,4-Pyridinedicarbonyl Chloride; 3,4-Pyridinedicarboxylic Dichloride; 3,4-Dicarboxypyridine Dichloride; Pyridine-3,4-dicarbonyl Dichloride; 3,4-Pyridinedicarboxylic acid chloride; 3,4-Pyridoyl Dichloride
EINECS	217-553-5

Quality Control

Our 3,4-Pyridinedicarbonyl Dichloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets exacting standards for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Keep away from strong bases, oxidizing agents, and sources of moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay (Titration)	≥ 96.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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