Description

4-Cyclopentene-1,3-Dione, 2,2-Dichloro- is a specialized halogenated cyclic diketone building block of significant interest in advanced organic synthesis. This compound serves as a versatile precursor for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists working on novel active ingredients, heterocyclic compounds, and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, especially those containing fused or substituted heterocyclic ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a reactive dienophile or electrophile in Diels-Alder and other cycloaddition reactions to create complex polycyclic structures.
• Material Science Research: Potential precursor for organic electronic materials, ligands for metal-organic frameworks (MOFs), and specialty polymers.
• Chemical Research & Development: Employed in academic and industrial labs for methodology development and exploring new reaction pathways.

Basic Information

Product Name	4-Cyclopentene-1,3-Dione, 2,2-Dichloro-
CAS No.	101328-96-5
Molecular Formula	C5H2Cl2O2
Molecular Weight	164.97 g/mol
Synonyms	2,2-Dichloro-1,3-cyclopentanedione; 2,2-Dichlorocyclopentane-1,3-dione; 2,2-Dichloro-4-cyclopentene-1,3-dione; Dichlorocyclopentenedione
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our fine chemical intermediates. Each batch of 2,2-Dichloro-4-cyclopentene-1,3-dione is analyzed using advanced techniques including HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. Our quality system is designed to support cGMP and ISO standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during storage and handling.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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