Description

(4,8-Bis(5-((2-Butyloctyl)Thio)Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane) is a high-purity, functionalized organic semiconductor monomer, also known as a stannylated donor-acceptor (D-A) polymer precursor. This compound is engineered for precise molecular weight control and batch-to-batch consistency in advanced polymer synthesis. It is primarily utilized by R&D chemists and material scientists in the organic electronics and photovoltaics sectors to develop next-generation electronic materials.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key monomer for synthesizing low-bandgap conjugated polymers used as the active layer in high-efficiency solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the development of p-type semiconductor polymers for flexible and printed electronics.
• Perovskite Solar Cells: Employed as a hole-transport material (HTM) or an interfacial layer component to enhance device stability and performance.
• Polymer Synthesis (Stille Coupling): Acts as a crucial stannylated reagent in Stille cross-coupling polymerization reactions to create well-defined, high-molecular-weight conjugated polymers.
• Material Science R&D: Used in academic and industrial research to explore new donor-acceptor copolymer architectures for tunable optical and electronic properties.
• Printed Electronics: A precursor for formulating conductive inks used in the fabrication of flexible displays, sensors, and RFID tags.

Basic Information

Product Name	(4,8-Bis(5-((2-Butyloctyl)Thio)Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane)
CAS No.	2093197-73-8
Molecular Formula	C52H74S6Sn2
Molecular Weight	1125.8 g/mol
Synonyms	BDTT-Sn; Stannylated BDTT monomer; 2,6-Bis(trimethylstannyl)-4,8-bis(5-((2-butyloctyl)thio)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; BDT(2-butyloctylthio-thiophene)-Sn; Donor-Acceptor polymer precursor; OPV monomer CAS 2093197-73-8
EINECS	Contact for details

Quality Control

Our high-purity electronic grade material is produced under inert atmosphere and undergoes rigorous analytical characterization to ensure optimal performance in sensitive polymerization reactions. Each batch is supplied with a comprehensive Certificate of Analysis (COA) detailing purity, identity, and residual catalyst/metals content. We adhere to strict internal quality standards to guarantee batch-to-batch consistency and supply reliability for your critical R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C or as specified on the label or COA. This material is light-sensitive and easily oxidized; prolonged exposure to air, light, or moisture should be avoided. Allow the sealed container to reach room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Residual Tin Catalyst (ICP-MS)	≤ 50 ppm
Residual Palladium (ICP-MS)	≤ 10 ppm
Water Content (KF)	≤ 0.1%

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