Description

4,7-Bis[5-Bromo-4-(2-Ethyhexyl)-2-Thienyl]-2,1,3-Benzothiadiazole CAS NO 1246949-11-0 is a high-purity, specialized organic semiconductor material belonging to the benzothiadiazole-thiophene copolymer family. This compound is engineered for its exceptional optoelectronic properties, including strong light absorption and efficient charge transport, which are critical for advanced electronic device performance. It is primarily utilized by researchers and manufacturers in the organic electronics sector for developing next-generation photovoltaic and light-emitting devices.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key electron-accepting or donor material in the active layer of polymer solar cells to enhance power conversion efficiency.
• Organic Light-Emitting Diodes (OLEDs): Used as an emissive or charge-transport layer material in display and lighting technologies.
• Organic Field-Effect Transistors (OFETs): Functions as a semiconducting channel material for developing flexible and printed electronics.
• Photodetectors and Sensors: Employed in the fabrication of light-sensitive devices and chemical sensors due to its photophysical properties.
• Academic and Industrial R&D: A critical building block for synthesizing novel conjugated polymers and small molecules in materials science research.
• Perovskite Solar Cells: Investigated as a hole-transport or interfacial layer material to improve device stability and performance.

Basic Information

Product Name	4,7-Bis[5-Bromo-4-(2-Ethyhexyl)-2-Thienyl]-2,1,3-Benzothiadiazole
CAS No.	1246949-11-0
Molecular Formula	C34H38Br2N2S3
Molecular Weight	738.68 g/mol
Synonyms	2,1,3-Benzothiadiazole, 4,7-bis[5-bromo-4-(2-ethylhexyl)-2-thienyl]-; BBT; BBT-EH; 4,7-Bis(5-bromo-4-(2-ethylhexyl)thiophen-2-yl)benzo[c][1,2,5]thiadiazole; Benzothiadiazole-thiophene copolymer derivative; BTD-Thiophene monomer; Organic semiconductor monomer 1246949-11-0
EINECS	Contact for details

Quality Control

Every batch of 4,7-Bis[5-Bromo-4-(2-Ethyhexyl)-2-Thienyl]-2,1,3-Benzothiadiazole undergoes rigorous analytical testing to ensure it meets the stringent purity requirements for electronic-grade materials. Our quality assurance protocol includes advanced chromatographic and spectroscopic methods to verify chemical identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, residual solvent levels, and other critical parameters is provided with each shipment to support your R&D and quality processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive (store away from light). For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen to prevent potential degradation.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Residual Solvents (GC)	Meet ICH guidelines
Heavy Metals	< 10 ppm

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