Description

2,4-Cyclopentadien-1-One,3,4-Dichloro-(9Ci) is a specialized halogenated cyclopentadienone derivative, identified by CAS number 591755-73-6. This compound serves as a valuable high-purity synthetic intermediate and building block in advanced organic synthesis. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for heterocyclic compounds.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and insecticides with specific activity profiles.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for transition metal catalysis and organometallic chemistry.
• Material Science Research: Monomer or precursor for advanced polymers and functional organic materials with tailored electronic properties.
• Academic & Industrial R&D: Essential reagent for methodological development and exploring new chemical reactions in laboratory settings.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	2,4-Cyclopentadien-1-One,3,4-Dichloro-(9Ci)
CAS No.	591755-73-6
Molecular Formula	C5H2Cl2O
Molecular Weight	148.98 g/mol
Synonyms	3,4-Dichloro-2,4-cyclopentadien-1-one; 3,4-Dichlorocyclopentadienone; 3,4-Dichloro-1,2-cyclopentadien-1-one; Dichlorocyclopentadienone; 1,2-Cyclopentadien-1-one, 3,4-dichloro-; 3,4-Dichloro-2,4-cyclopentadiene-1-one
EINECS	Contact for details

Quality Control

We supply 2,4-Cyclopentadien-1-One,3,4-Dichloro-(9Ci) in high-purity grades suitable for research and development. Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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, well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. The compound may be sensitive to moisture and should be handled under an inert atmosphere for critical applications.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.