Description

2,6-Bis(Trimethyltin)-4,8-Bis(5-(2-Ethylhexyl)Thiophen-2-Yl)Benzo [1,2-B:4,5-B']Dithiophene is a high-purity organotin monomer, a critical building block in the synthesis of advanced conjugated polymers for next-generation electronic materials. Its value lies in enabling precise molecular engineering of the polymer backbone, which directly influences charge carrier mobility and energy level alignment in the final device. This compound is essential for R&D and production teams in the organic electronics sector, particularly those developing high-performance organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and perovskite solar cells.

Application

• Organic Photovoltaic (OPV) Materials: Serves as a key stannylated monomer for Stille polycondensation reactions to synthesize donor polymers like PBDB-T and its derivatives for bulk heterojunction solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the polymerization of high-mobility p-type semiconducting polymers for thin-film transistor applications.
• Perovskite Solar Cell (PSC) Hole-Transport Materials (HTMs): A precursor for creating polymeric HTMs that enhance device stability and efficiency.
• Conjugated Polymer Research: A fundamental reagent for academic and industrial R&D focused on novel benzo[1,2-b:4,5-b']dithiophene (BDT)-based copolymer architectures.
• Printed Electronics: Enables the production of solution-processable semiconducting inks for flexible and large-area electronics.
• Thermoelectric Materials: Used in the development of organic thermoelectric polymers for energy harvesting.

Basic Information

Product Name	2,6-Bis(Trimethyltin)-4,8-Bis(5-(2-Ethylhexyl)Thiophen-2-Yl)Benzo [1,2-B:4,5-B']Dithiophene
CAS No.	1352642-37-5
Molecular Formula	C46H64S4Sn2
Molecular Weight	968.03 g/mol
Synonyms	2,6-Bis(trimethylstannyl)-4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; BDT-Tin Monomer; 4,8-Bis(5-(2-ethylhexyl)thiophen-2-yl)-2,6-bis(trimethylstannyl)benzo[1,2-b:4,5-b']dithiophene; Stannylated BDT monomer; Tin-functionalized BDT; OPV monomer 1352642-37-5; Donor polymer precursor
EINECS	Contact for details

Quality Control

Every batch of our 2,6-Bis(Trimethyltin)-4,8-Bis(5-(2-Ethylhexyl)Thiophen-2-Yl)Benzo [1,2-B:4,5-B']Dithiophene is synthesized and purified under stringent inert atmosphere conditions to ensure optimal reactivity and purity for sensitive polymerization reactions. We employ advanced analytical techniques including NMR (1H, 13C, 119Sn), HPLC, and elemental analysis to verify chemical identity, high monomer purity, and the absence of protic impurities that can inhibit Stille coupling. Certificates of Analysis (COA) detailing lot-specific results are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store the product under an inert atmosphere (argon or nitrogen) at 2-8°C. Allow the sealed container to reach room temperature before opening to prevent moisture condensation. The material is light-sensitive (store away from light) and should be handled in a dry, oxygen-free environment to maintain its stannylated reactivity.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Tin Content	Conforms to theoretical
Residual Solvents (GC)	Meet ICH guidelines

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