Description

Benzo[1,2-B:4,5-B']Dithiophene, 2-Bromo-4,8-Bis[5-(2-Ethylhexyl)-2-Thienyl]- is a high-purity, functionalized organic semiconductor building block. This compound is critical for the development of advanced electronic materials due to its specific optoelectronic properties and molecular architecture. It is primarily required by researchers and manufacturers in the organic electronics and advanced materials sectors for creating next-generation devices.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key electron-donor or acceptor unit in the active layer of polymer solar cells.
• Organic Field-Effect Transistors (OFETs): Used as a core component in semiconducting polymers or small molecules for high-mobility charge transport.
• Perovskite Solar Cells: Employed as a hole-transport material (HTM) or an interfacial layer to improve efficiency and stability.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for emissive or charge-transport layers in display and lighting technologies.
• Chemical Synthesis: Functions as a versatile intermediate for further functionalization via cross-coupling reactions (e.g., Suzuki, Stille).
• Academic & Industrial R&D: Essential for prototyping new conjugated polymers and small molecules in materials science research.

Basic Information

Product Name	Benzo[1,2-B:4,5-B']Dithiophene, 2-Bromo-4,8-Bis[5-(2-Ethylhexyl)-2-Thienyl]-
CAS No.	1979959-46-0
Molecular Formula	C34H41BrS3
Molecular Weight	633.78 g/mol
Synonyms	2-Bromo-4,8-bis[5-(2-ethylhexyl)thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene; BDT-Br derivative; 2-Bromo-4,8-bis(5-(2-ethylhexyl)thien-2-yl)benzo[1,2-b:4,5-b']dithiophene; BDT-Br monomer; Benzo[1,2-b:4,5-b']dithiophene, 2-bromo-4,8-bis[5-(2-ethylhexyl)-2-thienyl]-; Thiophene-based BDT brominated monomer; Organic semiconductor monomer CAS 1979959-46-0
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide high-purity grades (>98% typical) suitable for sensitive electronic applications, with batch-to-batch consistency verified by advanced analytical techniques. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate for prolonged storage. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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