Description

Cyclopenta[Def]Fluorene-4,8-Dione CAS NO 23702-27-4 is a high-purity, specialized organic compound belonging to the class of polycyclic aromatic ketones. This material serves as a critical advanced intermediate or building block in the synthesis of complex organic molecules and functional materials. It is primarily sought by R&D laboratories and industrial manufacturers in the fields of organic electronics, specialty pigments, and pharmaceutical research.

Application

• Organic Electronic Materials: A key precursor for the synthesis of n-type semiconductors, electron-transport materials, and active layers in Organic Light-Emitting Diodes (OLEDs) and Organic Photovoltaics (OPVs).
• Specialty Dyes and Pigments: Used in the development of high-performance, color-fast pigments and dyes due to its fused aromatic structure.
• Pharmaceutical Intermediates: Serves as a sophisticated building block in medicinal chemistry for creating novel drug candidates with specific polycyclic frameworks.
• Chemical Research & Development: Employed as a standard or starting material in academic and industrial research focused on novel aromatic systems and ketone chemistry.
• Ligand Synthesis: Can be utilized to create complex organic ligands for catalysis and coordination chemistry applications.
• Advanced Polymer Chemistry: Acts as a monomer or cross-linking agent for synthesizing polymers with unique optical or electronic properties.

Basic Information

Item	Details
Product Name	Cyclopenta[Def]Fluorene-4,8-Dione
CAS No.	23702-27-4
Molecular Formula	C15H6O2
Molecular Weight	218.21 g/mol
Synonyms	4,8-Dioxocyclopenta[def]fluorene; 4,8-Fluorenedione, 4,8-dihydro-; 4,8-Cyclopenta[def]fluorenedione; 4,8-Dihydro-4,8-dioxocyclopenta[def]fluorene; 4,8-Dioxo-4,8-dihydrocyclopenta[def]fluorene; CPF-4,8-dione; Fluorenone derivative
EINECS	Contact for details

Quality Control

Every batch of Cyclopenta[Def]Fluorene-4,8-Dione is produced and tested under a strict quality management system. We guarantee high purity and batch-to-batch consistency through advanced analytical techniques including HPLC, GC-MS, and NMR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to ensure it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
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.