Description

4H-Pyran-2,6-Dicarbonyl Dichloride (9Ci) is a high-purity, reactive organic intermediate characterized by its two acid chloride functional groups. This compound is a critical building block in advanced organic synthesis, enabling the efficient construction of complex heterocyclic and polymeric architectures. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for constructing fused pyran and heterocyclic ring systems with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where its reactive sites allow for the introduction of specific functional groups.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing specialty polymers, such as polyesters, polyamides, or coatings with tailored thermal and chemical resistance.
• Material Science Research: Employed in the development of advanced organic materials, including organic semiconductors, ligands for metal-organic frameworks (MOFs), and dendritic molecules.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating complex molecular libraries.

Basic Information

Product Name	4H-Pyran-2,6-Dicarbonyl Dichloride (9Ci)
CAS No.	54281-62-8
Molecular Formula	C7H4Cl2O3
Molecular Weight	206.01 g/mol
Synonyms	2,6-Pyrandicarbonyl Dichloride; 2,6-Dichlorocarbonyl-4H-pyran; 4H-Pyran-2,6-dicarboxylic Acid Dichloride; 2,6-Bis(chlorocarbonyl)-4H-pyran; 4H-Pyran-2,6-dicarbonyl Chloride; 2,6-Dicarboxy-4H-pyran Dichloride
EINECS	Contact for details

Quality Control

Our production of 4H-Pyran-2,6-Dicarbonyl Dichloride adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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 a controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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