Description

Benzo[1,2-B:4,5-B']Dithiophene, 2,6-Dibromo-4,8-Bis[5-(2-Ethylhexyl)-2-Thienyl]- is a high-purity, functionalized organic semiconductor building block critical for advanced materials research and development. This compound matters for its role as a key monomer in the synthesis of high-performance conjugated polymers and small molecules used in next-generation electronic devices. Industrial and academic researchers in the fields of organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and perovskite solar cells require this material for its ability to fine-tune the optoelectronic properties of the final active layer.

Application

• As a core monomer for synthesizing donor-acceptor (D-A) conjugated polymers used in organic photovoltaic (OPV) cells.
• In the development of p-type semiconductor materials for high-mobility organic field-effect transistors (OFETs).
• As a precursor for hole-transport materials (HTMs) in perovskite solar cells to enhance device efficiency and stability.
• For advanced materials research focusing on the structure-property relationships of thiophene-based π-conjugated systems.
• In the synthesis of low-bandgap copolymers designed for near-infrared (NIR) absorption applications.
• As a specialty chemical intermediate in the fine chemical and pharmaceutical industries for complex molecule construction.

Basic Information

Product Name	Benzo[1,2-B:4,5-B']Dithiophene, 2,6-Dibromo-4,8-Bis[5-(2-Ethylhexyl)-2-Thienyl]-
CAS No.	1482447-24-4
Molecular Formula	C34H38Br2S4
Molecular Weight	742.73 g/mol
Synonyms	2,6-Dibromo-4,8-bis[5-(2-ethylhexyl)thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene; BDT-Th(2-EH)-Br2; 2,6-Dibromo-4,8-di(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; 2,6-Dibromo-4,8-bis(5-(2-ethylhexyl)-2-thienyl)benzo[1,2-b:4,5-b']dithiophene; Benzo[1,2-b:4,5-b']dithiophene, 2,6-dibromo-4,8-bis[5-(2-ethylhexyl)-2-thienyl]-; 4,8-Bis[5-(2-ethylhexyl)-2-thienyl]-2,6-dibromobenzo[1,2-b:4,5-b']dithiophene
EINECS	Contact for details

Quality Control

Our production of this advanced material adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity, which is essential for reproducible research and device performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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 compound is light-sensitive (store away from light) and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability, especially after the original container is opened. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
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.