Description

4,7-Bis(2-Bromo-5-Thienyl)-2,1,3-Benzothiadiazole is a high-purity organic intermediate of significant importance in advanced materials research and development. This compound is valued for its role as a key building block in the synthesis of conjugated polymers and small molecules for electronic applications. It is primarily sought by R&D chemists and manufacturers in the organic electronics, photovoltaics, and specialty chemical sectors.

Application

• Organic Photovoltaic (OPV) Cells: A crucial electron-accepting or donor unit in the active layer of polymer solar cells.
• Organic Light-Emitting Diodes (OLEDs): Used as a precursor for emissive or charge-transport materials in display and lighting technologies.
• Organic Field-Effect Transistors (OFETs): Serves as a building block for semiconducting polymers to enhance charge carrier mobility.
• Chemical Synthesis: An advanced intermediate for synthesizing complex thiophene- and benzothiadiazole-based conjugated systems via cross-coupling reactions.
• Dye-Sensitized and Perovskite Solar Cells: Employed in the development of novel hole-transport materials or sensitizers.
• Academic & Industrial R&D: Used in research laboratories for exploring new properties of π-conjugated materials and their device applications.

Basic Information

Product Name	4,7-Bis(2-Bromo-5-Thienyl)-2,1,3-Benzothiadiazole
CAS No.	288071-87-4
Molecular Formula	C14H6Br2N2S3
Molecular Weight	490.22 g/mol
Synonyms	2,1,3-Benzothiadiazole, 4,7-bis(2-bromo-5-thienyl)-; 4,7-Di(2-bromo-5-thienyl)-2,1,3-benzothiadiazole; 4,7-Bis(5-bromo-2-thienyl)-2,1,3-benzothiadiazole; 4,7-Bis(2-bromothiophen-5-yl)benzo[c][1,2,5]thiadiazole; BTBT-Br; BBT; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4,7-Bis(2-Bromo-5-Thienyl)-2,1,3-Benzothiadiazole is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific research or pre-commercial scale requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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