Description

2,7-Bis(Trimethylstannyl)Naphtho[1,2-B:5,6-B']Dithiophene is a high-purity organotin monomer specifically engineered for advanced materials synthesis. This compound is a critical building block for the development of high-performance conjugated polymers used in next-generation electronic devices. It is primarily sought by R&D chemists and process engineers in the organic electronics and specialty chemical sectors for creating materials with tailored optoelectronic properties.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key monomer in the synthesis of donor-acceptor copolymers for high-efficiency solar cell active layers.
• Organic Field-Effect Transistors (OFETs): Used to fabricate p-type semiconductor polymers with high charge carrier mobility for flexible electronics.
• Perovskite Solar Cells: Employed in the development of novel hole-transport materials (HTMs) and interfacial layers to improve device stability and performance.
• Polymer Synthesis via Stille Coupling: Acts as a pivotal stannylated reagent in palladium-catalyzed cross-coupling reactions to construct complex, conjugated molecular architectures.
• Organic Light-Emitting Diodes (OLEDs): Utilized in the research and development of emissive or charge-transporting polymers for display and lighting applications.
• Chemical Vapor Deposition (CVD) Precursors: Investigated as a potential precursor for the deposition of tin-containing thin films in semiconductor manufacturing.

Basic Information

Item	Detail
Product Name	2,7-Bis(Trimethylstannyl)Naphtho[1,2-B:5,6-B']Dithiophene
CAS No.	1218771-02-8
Molecular Formula	C22H28S2Sn2
Molecular Weight	634.06 g/mol
Synonyms	2,7-Bis(trimethylstannyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone; 2,7-Bis(trimethylstannyl)NDT; NDT-SnMe3; Naphthodithiophene ditin reagent; 2,7-Bis(trimethylstannyl)naphtho[1,2-b:5,6-b']dithiophene; 2,7-Bis(trimethylstannyl)-NDT; Stannylated NDT monomer; 1218771-02-8
EINECS	Contact for details

Quality Control

Every batch of 2,7-Bis(Trimethylstannyl)Naphtho[1,2-B:5,6-B']Dithiophene is synthesized and handled under strict inert atmosphere conditions to prevent oxidation. Our quality assurance protocol includes comprehensive analytical characterization to ensure batch-to-batch consistency and high purity, which is critical for reproducible polymer synthesis and device performance. Certificates of Analysis (COA) detailing NMR (1H, 13C), HPLC purity, and elemental analysis (Tin content) are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. This material is hygroscopic (moisture-sensitive) and easily oxidized; containers must be purged with inert gas after each opening to maintain integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Tin (Sn) Content	36.0 - 38.0 %
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.