Description

4,8-Bis(5-((2-Ethylhexyl)Thio)Thieno[3,2-B]Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene is a high-performance organic semiconductor material belonging to the class of fused-ring electron donors. This compound matters for its excellent charge-carrier mobility and tunable optoelectronic properties, making it a critical component in advanced electronic devices. It is primarily needed by R&D laboratories and manufacturers in the organic electronics sector, particularly for developing next-generation organic photovoltaics (OPVs) and organic field-effect transistors (OFETs).

Application

• As a p-type semiconductor material in bulk heterojunction organic solar cells (OSCs).
• As an active layer component in high-mobility organic field-effect transistors (OFETs).
• As a key electron-donor building block for synthesizing novel low-bandgap conjugated polymers.
• In research and development of perovskite solar cells as a hole-transport material (HTM).
• For the fabrication of flexible and printed electronics due to its solution-processability.
• As a reference standard in analytical chemistry for material characterization and purity assessment.

Basic Information

Product Name	4,8-Bis(5-((2-Ethylhexyl)Thio)Thieno[3,2-B]Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene
CAS No.	1691204-23-5
Molecular Formula	C46H54S6
Molecular Weight	791.27 g/mol
Synonyms	BDTT; 2,6-Bis(5-((2-ethylhexyl)thio)thieno[3,2-b]thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; Benzo[1,2-b:4,5-b']dithiophene, 4,8-bis[5-[(2-ethylhexyl)thio]-2-thieno[3,2-b]thienyl]-; BDTT(EH); 4,8-Bis[5-[(2-ethylhexyl)thio]thieno[3,2-b]thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene; Organic Semiconductor BDTT; Fused-ring electron donor BDTT; BDT-TT derivative
EINECS	Contact for details

Quality Control

Our 4,8-Bis(5-((2-Ethylhexyl)Thio)Thieno[3,2-B]Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated place away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (H-NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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