Description

4,7-Bis(5-Bromothiophen-2-Yl)-2-(2-Ethylhexyl)-2,1,3-Benzotriazole is a high-purity, specialized organic compound designed for advanced material science and electronics research. This compound is a critical building block for synthesizing conjugated polymers and small molecules with tailored optoelectronic properties. It is primarily utilized by R&D chemists and material scientists in the organic semiconductor, photovoltaics, and OLED industries.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key electron-accepting or donor unit in the active layer of polymer solar cells to enhance light absorption and charge transport.
• Organic Light-Emitting Diodes (OLEDs): Used as a core component in the synthesis of emissive or charge-transporting materials for display and lighting applications.
• Organic Field-Effect Transistors (OFETs): Incorporated into semiconducting polymers to improve charge carrier mobility and device stability.
• Chemical Synthesis Intermediate: Acts as a versatile precursor for further functionalization via cross-coupling reactions (e.g., Suzuki, Stille) to create complex π-conjugated systems.
• Photodetectors and Sensors: Employed in the development of organic-based sensors and photodetectors due to its tunable electronic structure.
• Academic and Industrial R&D: Essential for fundamental research in novel organic electronic materials and device architectures.

Basic Information

Product Name	4,7-Bis(5-Bromothiophen-2-Yl)-2-(2-Ethylhexyl)-2,1,3-Benzotriazole
CAS No.	1222090-82-5
Molecular Formula	C22H21Br2N3S2
Molecular Weight	552.36 g/mol
Synonyms	2-(2-Ethylhexyl)-4,7-bis(5-bromothiophen-2-yl)-2H-benzotriazole; 4,7-Bis(5-bromo-2-thienyl)-2-(2-ethylhexyl)-2H-benzotriazole; BBT-EH; Benzotriazole-thiophene brominated derivative; (2-Ethylhexyl)-4,7-di(5-bromo-2-thienyl)-2H-benzotriazole; 1222090-82-5; Light-sensitive benzotriazole monomer
EINECS	Contact for details

Quality Control

Our production of 4,7-Bis(5-Bromothiophen-2-Yl)-2-(2-Ethylhexyl)-2,1,3-Benzotriazole adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are 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 material is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment to prevent moisture absorption. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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