Description

Ethanone, 1,1-(2-Cyclopenten-1-Ylidene)Bis- (9Ci) is a specialized diketone compound with a unique bridged cyclic structure, serving as a valuable chemical intermediate. Its molecular architecture makes it a versatile building block for synthesizing complex organic frameworks, particularly in advanced material science and pharmaceutical research. This compound is essential for R&D chemists and process development scientists working in fine chemical synthesis, agrochemical development, and the creation of novel functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring fused ring systems.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators that leverage its diketone functionality.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of novel polymers, resins, and specialty coatings with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex natural product analogs and other sophisticated organic molecules.
• Ligand and Catalyst Development: Useful in the preparation of chelating ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing specific ketone-based aroma chemicals, subject to purity and regulatory compliance.

Basic Information

Product Name	Ethanone, 1,1-(2-Cyclopenten-1-Ylidene)Bis- (9Ci)
CAS No.	199123-50-7
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	1,1'-(2-Cyclopenten-1-ylidene)bis[ethanone]; Diacetylcyclopentene; 2-Cyclopenten-1-ylidene Diacetyl; Bis(acetyl)cyclopentene; (2-Cyclopenten-1-ylidene)diacetyl; 1,1-Diacetyl-2-cyclopentene
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our standard grade for this intermediate typically meets a purity specification of ≥97% (by HPLC), with stringent control over residual solvents and related impurities. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical characteristics is provided with each shipment. We can support development projects requiring custom purity grades or specific impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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