Description

4,4-Di(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B]Dithiophene is a high-purity organic semiconductor building block, specifically a dithiophene derivative with solubilizing alkyl side chains. This compound is critical for the development of advanced electronic materials due to its excellent charge transport properties and solution processability. It is primarily utilized by researchers and manufacturers in the organic electronics, photovoltaics, and advanced materials sectors for creating high-performance polymers and small molecules.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key donor or acceptor unit in conjugated polymers and small molecules for bulk heterojunction solar cells.
• Organic Field-Effect Transistors (OFETs): Used as a core component in semiconducting polymers to enhance charge carrier mobility and device stability.
• Perovskite Solar Cells: Employed in the synthesis of hole-transport materials (HTMs) or interfacial layers to improve efficiency and longevity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for emissive or charge-transport layers in display and lighting technologies.
• Chemical Synthesis & Research: A valuable intermediate for academic and industrial R&D in novel pi-conjugated systems and functional materials.
• Electrochromic Devices: Used in the development of polymers that change color with applied voltage for smart windows and displays.

Basic Information

Product Name	4,4-Di(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B]Dithiophene
CAS No.	365547-20-2
Molecular Formula	C₃₃H₅₀S₂
Molecular Weight	526.87 g/mol
Synonyms	4,4-Bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; 4H-Cyclopenta[2,1-b:3,4-b']dithiophene, 4,4-bis(2-ethylhexyl)-; CPDTT; 2-Ethylhexyl-CPDT; 4,4-Di(2-ethylhexyl)cyclopentadithiophene; Dithienocyclopentadiene derivative; AEH-CPDT; Organic Semiconductor Monomer CPDT
EINECS	Contact for details

Quality Control

Our 4,4-Di(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B]Dithiophene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for reproducible device performance. We provide comprehensive analytical data including HPLC, NMR, and GC-MS to verify chemical identity and purity. Certificates of Analysis (COA) are available for every batch upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). Keep the container sealed under an inert atmosphere such as nitrogen or argon to prevent potential oxidation and ensure long-term stability.

Specification

Item	Specification
Appearance	Yellow to orange solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details

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