Description

2H-Cyclopenta[Jk]Fluorene is a high-purity polycyclic aromatic hydrocarbon (PAH) building block with the CAS number 208-69-5. This compound is valued for its rigid, planar structure and conjugated pi-electron system, making it a critical intermediate in advanced materials research and specialty chemical synthesis. It is primarily sought by R&D and production teams in the organic electronics, photonics, and fine chemical industries for developing novel functional materials.

Application

• Key synthetic intermediate for organic light-emitting diodes (OLEDs) and other optoelectronic materials.
• Building block in the research and development of novel polycyclic aromatic hydrocarbons (PAHs) and graphene nanoribbons.
• Precursor for dyes, pigments, and advanced fluorescent markers.
• Used in academic and industrial research for studying charge transport and photophysical properties.
• Starting material for ligands in catalysis and coordination chemistry.
• Component in the synthesis of molecular semiconductors for thin-film transistors.

Basic Information

Product Name	2H-Cyclopenta[Jk]Fluorene
CAS No.	208-69-5
Molecular Formula	C15H10
Molecular Weight	190.24 g/mol
Synonyms	Cyclopenta[jk]fluorene; 2H-Cyclopenta[jk]fluorene; 11H-Cyclopenta[a]fluorene; 1,2-Dihydrocyclopenta[jk]fluorene; 2H-Cyclopent[jk]fluorene; 2H-Cyclopenta[de]fluorene; NSC 407309; 1,2-Dihydrocyclopenta[de]fluorene
EINECS	205-900-6

Quality Control

Our 2H-Cyclopenta[Jk]Fluorene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, verified by techniques including HPLC, GC-MS, and NMR. We support custom synthesis and purification to meet specific research or production-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white 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.