Description

2,6-Bis(Trimethyltin)-4,4-Bis(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B']Dithiophene is a high-value organotin monomer critical for the synthesis of advanced conjugated polymers and organic electronic materials. Its molecular structure is engineered to serve as a key precursor for high-performance semiconducting polymers used in next-generation optoelectronic devices. This compound is essential for R&D and production teams in the organic electronics, photovoltaics, and specialty chemical synthesis sectors seeking to develop materials with tailored electronic properties.

Application

• Organic Photovoltaic (OPV) Cells: A fundamental building block (monomer) for synthesizing donor-acceptor conjugated polymers used as the active layer in solar cells.
• Organic Field-Effect Transistors (OFETs): Used to create semiconducting polymers that enable high charge-carrier mobility in flexible electronic circuits and displays.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for emissive or charge-transport polymer layers in display and lighting technologies.
• Chemical Synthesis & Material Science R&D: A specialized reagent for constructing complex π-conjugated systems and novel organic semiconductors in academic and industrial research.
• Perovskite Solar Cells: Investigated as a component in hole-transport materials or interfacial layers to enhance device efficiency and stability.
• Printed Electronics: Enables the formulation of polymer inks for solution-processed, large-area electronic devices.

Basic Information

Product Name	2,6-Bis(Trimethyltin)-4,4-Bis(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B']Dithiophene
CAS No.	920504-00-3
Molecular Formula	C33H56S2Sn2
Molecular Weight	722.31 g/mol
Synonyms	4,4-Bis(2-ethylhexyl)-2,6-bis(trimethylstannyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; 2,6-Bis(trimethylstannyl)-4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene; CPT-Sn; Dithienocyclopentadiene stannyl derivative; Organotin monomer for conjugated polymers; Stannylated CPDT monomer; 2,6-Bis(trimethyltin)cyclopenta[2,1-b:3,4-b']dithiophene derivative
EINECS	Contact for details

Quality Control

Every batch of our 2,6-Bis(Trimethyltin)-4,4-Bis(2-Ethylhexyl)-4H-Cyclopenta[2,1-B:3,4-B']Dithiophene is synthesized and purified under stringent, inert conditions to ensure exceptional consistency and purity for sensitive polymerization reactions. We employ advanced analytical techniques including NMR (1H, 13C, 119Sn), HPLC, and elemental analysis to verify chemical identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) in a cool, dry place at 2-8°C to maximize shelf life. This compound is moisture-sensitive and easily oxidized; ensure containers are sealed immediately after use and handled in a controlled, moisture-free environment.

Specification

Item	Specification
Appearance	Yellow to orange solid or viscous oil
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Tin (Sn) Content	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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