Description

5,5′-Bis(Tributylstannyl)-2,2′-Bithiophene is a high-value organotin intermediate and monomer, specifically designed for advanced material synthesis. Its core value lies in enabling precise molecular engineering for polymers with tailored electronic and optical properties. This compound is essential for R&D and production teams in the organic electronics, semiconductor, and specialty polymer industries seeking to develop next-generation conductive and photovoltaic materials.

Application

• Stille Coupling Monomer: A critical reagent for the synthesis of conjugated polymers and small molecules via palladium-catalyzed cross-coupling reactions.
• Organic Semiconductor Precursor: Used in the fabrication of organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), and organic photovoltaics (OPVs).
• Conductive Polymer Synthesis: Serves as a key building block for creating polythiophenes and copolymers with enhanced charge carrier mobility.
• Material Science R&D: Enables the development of novel electroactive and photoactive materials for sensors and advanced coatings.
• Chemical Intermediate: Used in the synthesis of complex organic molecules requiring the introduction of a bithiophene core with specific functionalization.

Basic Information

Product Name	5,5′-Bis(Tributylstannyl)-2,2′-Bithiophene
CAS No.	171290-94-1
Molecular Formula	C32H58S2Sn2
Molecular Weight	752.31 g/mol
Synonyms	2,2'-Bithiophene-5,5'-diylbis(tributylstannane); 5,5'-Bis(tributylstannyl)-2,2'-bithienyl; 2,2'-Bithiophene, 5,5'-bis(tributylstannyl)-; 5,5'-Ditributylstannyl-2,2'-bithiophene; Bithiophene-5,5'-diylbis(tributyltin); Tributyl(5-(5-(tributylstannyl)thiophen-2-yl)thiophen-2-yl)stannane
EINECS	Contact for details

Quality Control

Our 5,5′-Bis(Tributylstannyl)-2,2′-Bithiophene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to ISO 9001 quality management standards, and our analytical methods, including NMR and HPLC, are validated to provide reliable data for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its moisture-sensitive (hygroscopic) nature, the container must be kept tightly sealed under an inert atmosphere (argon or nitrogen) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown viscous liquid or solid
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.