Description

Benzo[1,2-B:4,5-B']Dithiophene, 4,8-Bis[5-[(2-Ethylhexyl)Thio]-2-Thienyl]- is a high-purity, functionalized organic semiconductor building block. This compound is engineered for its excellent electron-donating and charge-transport properties, making it a critical material for advanced electronic applications. It is primarily sought after by R&D and manufacturing teams in the organic electronics, photovoltaics, and materials science sectors for developing next-generation devices.

Application

• Organic Photovoltaic (OPV) Cells: A key electron-donor material in the active layer of polymer solar cells for efficient light absorption and charge generation.
• Organic Field-Effect Transistors (OFETs): Used as a semiconductor component to enhance charge carrier mobility and device performance.
• Perovskite Solar Cells: Employed as a hole-transport material (HTM) or an interfacial layer to improve stability and efficiency.
• Organic Light-Emitting Diodes (OLEDs): Serves as a host or emissive layer material in display and lighting technologies.
• Chemical Synthesis & Research: A versatile intermediate for synthesizing novel conjugated polymers and small molecules with tailored optoelectronic properties.
• Photodetectors & Sensors: Utilized in the fabrication of sensitive organic photodetectors and chemical sensors due to its responsive photophysical characteristics.

Basic Information

Item	Details
Product Name	Benzo[1,2-B:4,5-B']Dithiophene, 4,8-Bis[5-[(2-Ethylhexyl)Thio]-2-Thienyl]-
CAS No.	1613389-28-8
Molecular Formula	C34H42S4
Molecular Weight	602.96 g/mol
Synonyms	BDT(2T-EH); 4,8-Bis[5-((2-ethylhexyl)thio)thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene; Benzo[1,2-b:4,5-b']dithiophene-4,8-diylbis(5-((2-ethylhexyl)thio)thiophene-2-diyl); BDT-Th-EH; (4,8-Bis(5-((2-ethylhexyl)thio)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene); 2T-EH-BDT; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of this advanced material adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS to confirm identity, purity, and the absence of critical metallic impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your R&D and quality assurance processes.

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). For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0% (Area %)
Residual Solvents (GC)	Meets ICH guidelines

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