Description

(4,8-Bis(5-Octylthiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane) is a high-purity 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 donor-acceptor polymers used in next-generation electronic devices. It is primarily sought by R&D and production teams in the organic electronics, photovoltaics, and advanced materials sectors for its role in creating efficient charge-transport materials.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key monomer for synthesizing low-bandgap donor polymers in bulk-heterojunction solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the development of p-type semiconductor materials for high-mobility thin-film transistors.
• Perovskite Solar Cells: Employed in the synthesis of hole-transport materials (HTMs) and interfacial layers to improve device efficiency and stability.
• Polymer Synthesis: Acts as a crucial stannylated comonomer in Stille polycondensation reactions to create conjugated polymers with tailored electronic properties.
• Advanced Material Research: Utilized in academic and industrial R&D for exploring new organic electronic materials and their structure-property relationships.
• Printed Electronics: A precursor for solution-processable semiconductor inks used in roll-to-roll manufacturing of flexible electronics.

Basic Information

Item	Details
Product Name	(4,8-Bis(5-Octylthiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane)
CAS No.	1185885-87-3
Molecular Formula	C46H64S4Sn2
Molecular Weight	964.03 g/mol
Synonyms	BDT-Sn monomer; 2,6-Bis(trimethylstannyl)-4,8-bis(5-octyl-2-thienyl)benzo[1,2-b:4,5-b']dithiophene; Stannylated BDT derivative; 4,8-Bis(5-octylthiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene-2,6-diylbis(trimethylstannane); BDT(OctylThiophene)2(TMSn)2; OTT-Sn; (BDT-OT)2(TMSn)2; CAS 1185885-87-3
EINECS	Contact for details

Quality Control

Our (4,8-Bis(5-Octylthiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene-2,6-Diyl)Bis(Trimethylstannane) is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity, critical for reproducible polymer synthesis and device performance. Each lot undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to confirm identity, purity, and the absence of critical impurities like palladium. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at -20°C or below in a freezer dedicated for chemical storage. This compound is both light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Allow the sealed container to reach room temperature before opening to minimize moisture ingress, as it is also hygroscopic (moisture-sensitive).

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Residual Palladium (ICP-MS)	≤ 50 ppm
Tin Content (Analysis)	Conforms to theoretical
Solubility	Soluble in common organic solvents (THF, toluene, chloroform)

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