Description

[2,2'-Bithiophene]-3,3'-Dicarbonitrile, 5,5'-Bis(Trimethylstannyl)- is a high-value organotin intermediate featuring a functionalized bithiophene core. This compound matters for its role as a critical building block in the synthesis of advanced organic electronic materials and functional polymers. It is primarily needed by R&D chemists and process engineers in the organic semiconductor, photovoltaics, and specialty polymer industries.

Application

• Organic Semiconductor Precursor: Key monomer for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Light-Emitting Diodes (OLEDs).
• Polymer Solar Cell Material: Serves as a stannylated donor unit in the Stille cross-coupling polymerization for creating low-bandgap polymers in bulk heterojunction solar cells.
• Chemical Synthesis Intermediate: Used in palladium-catalyzed cross-coupling reactions (e.g., Stille coupling) to introduce the 2,2'-bithiophene-3,3'-dicarbonitrile moiety into complex molecular architectures.
• Non-Linear Optical (NLO) Materials: Potential building block for materials with tailored electronic properties for photonic applications.
• Electrochromic Device Research: Investigated for use in polymers that change color or transparency in response to an electrical stimulus.
• Sensor Development: Functional component in the design of chemical sensors and biosensors due to its tunable electronic structure.

Basic Information

Product Name	[2,2'-Bithiophene]-3,3'-Dicarbonitrile, 5,5'-Bis(Trimethylstannyl)-
CAS No.	2119752-09-7
Molecular Formula	C18H20N2S2Sn2
Molecular Weight	590.01 g/mol
Synonyms	5,5'-Bis(trimethylstannyl)-3,3'-dicyano-2,2'-bithiophene; 3,3'-Dicyano-5,5'-bis(trimethylstannyl)-2,2'-bithiophene; 2,2'-Bithiophene-3,3'-dicarbonitrile, 5,5'-bis(trimethylstannyl)-; 5,5'-Bis(trimethylstannyl)-[2,2'-bithiophene]-3,3'-dicarbonitrile; Stannylated Dicyanobithiophene; Tin-based Bithiophene Monomer
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of [2,2'-Bithiophene]-3,3'-Dicarbonitrile, 5,5'-Bis(Trimethylstannyl)- is characterized by advanced analytical techniques including NMR, HPLC, and elemental analysis to confirm identity, purity, and the absence of critical metallic impurities. Certificates of Analysis (COA) with detailed specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C in a cool, dry, and well-ventilated place. Keep away from heat and incompatible materials such as strong acids and oxidizing agents. This material is moisture-sensitive and should be handled under dry conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.