Description

4H-Cyclopenta[2,1-B:3,4-B']Dithiophene, 4,4-Bis(6-Bromohexyl)- (9Ci) is a high-value, 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 R&D and production teams in the organic electronics, photovoltaics, and specialty materials sectors.

Application

• Organic Photovoltaic (OPV) Materials: Serves as a key monomer or intermediate for synthesizing donor-acceptor copolymers in solar cell active layers.
• Organic Field-Effect Transistors (OFETs): Used to develop high-mobility p-type or ambipolar semiconducting polymers for flexible electronics.
• Perovskite Solar Cells: Employed in the creation of novel 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-transporting materials in display and lighting technologies.
• Chemical Synthesis & Research: A versatile intermediate for academic and industrial research in conjugated systems, supramolecular chemistry, and material science.
• Electrochromic Devices: Used in the development of polymers that change color with applied voltage for smart windows and displays.

Basic Information

Product Name	4H-Cyclopenta[2,1-B:3,4-B']Dithiophene, 4,4-Bis(6-Bromohexyl)- (9Ci)
CAS No.	713132-35-5
Molecular Formula	C22H28Br2S2
Molecular Weight	516.39 g/mol
Synonyms	4,4-Bis(6-bromohexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; 4,4-Bis(6-bromohexyl)cyclopentadithiophene; 4,4-Di(6-bromohexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; CPBr; CPDT-Br; 4,4'-Bis(6-bromohexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; 4,4-Bis(6-bromohexyl)cyclopenta[2,1-b:3,4-b']dithiophene
EINECS	Contact for details

Quality Control

Every batch of our 4,4-Bis(6-Bromohexyl)-4H-cyclopentadithiophene is synthesized and purified under controlled conditions to meet the stringent requirements of advanced materials research. We employ rigorous analytical techniques including HPLC, NMR, and GC-MS to ensure high purity and batch-to-batch consistency. 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 2-8°C or as indicated on the label. This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent degradation. Keep away from heat and open flame.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Water Content (KF)	≤ 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.