Description

2,5-Bis[(Trimethylsilyl)ethynyl]thiophene is a specialized organosilicon building block featuring a central thiophene ring symmetrically functionalized with trimethylsilyl-protected ethynyl groups. This compound matters for its role as a key precursor in the synthesis of advanced organic electronic materials and conjugated polymers. It is primarily needed by researchers and manufacturers in the fields of organic semiconductors, OLEDs, and molecular electronics for constructing extended π-conjugated systems with tailored optoelectronic properties.

Application

• Organic Semiconductor Synthesis: A crucial monomer for constructing high-performance conjugated polymers and small molecules used in organic field-effect transistors (OFETs).
• OLED Material Development: Serves as a building block for emissive and charge-transport layers in organic light-emitting diodes (OLEDs) and displays.
• Molecular Wire & Nanotechnology: Used in the design and synthesis of molecular wires and components for molecular-scale electronic devices due to its rigid, linear structure.
• Photovoltaic Research: Employed as a donor or acceptor material precursor in the development of organic solar cells (OPVs).
• Advanced Material Research: Acts as a versatile intermediate for creating novel thiophene-based materials with specific electronic and optical properties.
• Cross-Coupling Reactions: An excellent substrate for Sonogashira and other palladium-catalyzed cross-coupling reactions to create complex architectures.

Basic Information

Product Name	2,5-Bis[(Trimethylsilyl)ethynyl]thiophene
CAS No.	79109-69-6
Molecular Formula	C16H24SSi2
Molecular Weight	304.60 g/mol
Synonyms	2,5-Bis(2-trimethylsilylethynyl)thiophene; Thiophene, 2,5-bis[(trimethylsilyl)ethynyl]-; 2,5-Di(trimethylsilylethynyl)thiophene; 2,5-Bis(trimethylsilylethynyl)thiophene; 2,5-Bis(ethynyltrimethylsilyl)thiophene; TMS-Ethynyl Thiophene Derivative; 79109-69-6 (CAS)
EINECS	Contact for details

Quality Control

Our 2,5-Bis[(Trimethylsilyl)ethynyl]thiophene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure compliance with exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent moisture absorption. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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