Description

(4,8-Bis(5-((2-Ethylhexyl)Thio)Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane) is a high-purity, functionalized organic semiconductor building block, specifically a stannylated benzo[1,2-b:4,5-b']dithiophene (BDT) derivative. This compound is critical for the synthesis of high-performance, low-bandgap conjugated polymers used in next-generation organic electronic devices. It is an essential key monomer for researchers and manufacturers in the organic photovoltaics (OPV) and organic thin-film transistor (OTFT) sectors, where precise molecular structure dictates device efficiency and stability.

Application

• Donor-Acceptor Polymer Synthesis: Serves as the electron-donor (D) unit in the synthesis of D-A type conjugated polymers for organic solar cells.
• Organic Photovoltaic (OPV) Active Layer Material: A key precursor for polymers used in the light-absorbing layer of flexible and semi-transparent solar panels.
• Organic Field-Effect Transistor (OFET) Fabrication: Used to create semiconducting polymers for high-mobility transistors in flexible displays and sensors.
• Perovskite Solar Cell (PSC) Hole-Transport Materials (HTM): Can be incorporated into polymeric HTMs to improve device stability and performance.
• Stille Polycondensation Reactions: The trimethylstannane end groups enable efficient, controlled polymerization via palladium-catalyzed cross-coupling.
• Research & Development: Fundamental material for academic and industrial R&D exploring new organic semiconductor architectures and properties.

Basic Information

Item	Details
Product Name	(4,8-Bis(5-((2-Ethylhexyl)Thio)Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane)
CAS No.	1613389-30-2
Molecular Formula	C46H64S6Sn2
Molecular Weight	1040.9 g/mol
Synonyms	2,6-Bis(trimethylstannyl)-4,8-bis(5-((2-ethylhexyl)thio)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; BDT(2-EHT)Sn; Stannylated BDT-Thiophene Derivative; BDT-Sn Monomer; Organic Semiconductor Monomer 1613389-30-2; 4,8-Bis[5-[(2-ethylhexyl)thio]-2-thienyl]benzo[1,2-b:4,5-b']dithiophene-2,6-diylbis(trimethylstannane)
EINECS	Contact for details

Quality Control

Every batch of our high-value organic electronic chemicals undergoes rigorous analytical characterization to ensure consistency and purity critical for polymerization performance. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as purity (HPLC), identity (NMR, MS), and residual catalyst/metals content (ICP-MS). Our production adheres to strict quality management protocols to guarantee batch-to-batch reproducibility for your R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store under an inert atmosphere (argon or nitrogen) at 2-8°C. This compound is easily oxidized and light-sensitive; allow the sealed container to reach room temperature before opening to minimize moisture condensation and oxidative degradation.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Residual Palladium (ICP-MS)	≤ 50 ppm
Residual Tin (ICP-MS)	≤ 100 ppm
Solubility	Soluble in common organic solvents (e.g., THF, Toluene, Chloroform)

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