Description

2,5-Bis[(Trimethylsilyl)ethynyl]thieno[3,2-b]thiophene is a high-purity, functionalized organic semiconductor building block. This compound is valued for its excellent charge-transport properties and its role as a key precursor in the synthesis of advanced conjugated materials. It is primarily sought by researchers and manufacturers in the fields of organic electronics and materials science for developing next-generation electronic components.

Application

• Organic Field-Effect Transistors (OFETs): As a core component or precursor for high-mobility p-type semiconductor materials.
• Organic Photovoltaics (OPVs / Solar Cells): Used in the synthesis of donor or acceptor materials for efficient light absorption and charge separation.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for emissive or charge-transport layers in display and lighting technologies.
• Chemical Sensors: Employed in the fabrication of sensitive layers for detecting various analytes due to its tunable electronic properties.
• Conductive Polymers and Advanced Materials: A critical monomer or intermediate for creating novel conjugated polymers with specific electronic characteristics.
• Academic & Industrial R&D: Used in fundamental research to explore structure-property relationships in pi-conjugated systems.

Basic Information

Product Name	2,5-Bis[(Trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
CAS No.	139896-65-4
Molecular Formula	C18H22S2Si2
Molecular Weight	350.66 g/mol
Synonyms	2,5-Bis(2-trimethylsilylethynyl)thieno[3,2-b]thiophene; Thieno[3,2-b]thiophene, 2,5-bis[(trimethylsilyl)ethynyl]-; TT-TMS; BTMSTT; 2,5-Di(trimethylsilylethynyl)thieno[3,2-b]thiophene
EINECS	Contact for details

Quality Control

Every batch of 2,5-Bis[(Trimethylsilyl)ethynyl]thieno[3,2-b]thiophene is produced and analyzed under strict quality management protocols to ensure consistency and high purity for research and production applications. Our products undergo rigorous quality testing, including HPLC, NMR, and GC-MS analysis, to ensure compliance with exacting industry standards. Certificates of Analysis (COA) detailing purity and identity are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC / NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Melting Point	Contact for details

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