Description

4H-Cyclopenta[2,1-B:3,4-B']Dithiophene, 4,4-Dioctyl-2,6-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)- is a high-purity, functionalized organic semiconductor building block. This compound is critical for the synthesis of advanced conjugated polymers and small molecules used in next-generation electronic devices. It is primarily sought by researchers and manufacturers in the organic electronics, photovoltaics, and materials science sectors for developing high-performance optoelectronic materials.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key monomer or intermediate for synthesizing donor or acceptor polymers in solar cell active layers.
• Organic Field-Effect Transistors (OFETs): Used to create high-mobility semiconducting polymers for flexible electronics and displays.
• Perovskite Solar Cells: Employed in the development of hole-transporting materials (HTMs) or interfacial layers to improve device efficiency and stability.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for emissive or charge-transport materials in display and lighting technologies.
• Chemical Synthesis & Research: A versatile boronic ester pinacol ester for Suzuki-Miyaura cross-coupling reactions to construct complex π-conjugated systems.
• Thermoelectric Materials: Investigated for use in polymers that convert heat to electricity for energy harvesting applications.

Basic Information

Product Name	4H-Cyclopenta[2,1-B:3,4-B']Dithiophene, 4,4-Dioctyl-2,6-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-
CAS No.	1040858-67-0
Molecular Formula	C41H66B2O4S2
Molecular Weight	708.70 g/mol
Synonyms	4,4-Dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diylbis(boronic acid) pinacol ester; 2,6-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4,4-dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene; CPDT(BPin)2; 4,4-Dioctylcyclopentadithiophene-2,6-bis(boronic acid pinacol ester); 2,6-Diboronic acid pinacol ester-4,4-dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene
EINECS	Contact for details

Quality Control

Every batch of our 4,4-Dioctyl-2,6-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-4H-Cyclopenta[2,1-B:3,4-B']Dithiophene is produced and tested under strict quality management protocols to ensure high purity and batch-to-batch consistency, critical for sensitive electronic applications. Our products undergo rigorous analytical testing, including NMR and HPLC, to ensure compliance with stringent research and development standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (argon or nitrogen) for long-term storage and when opening the container to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
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.