2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene

Advance your materials science and organic electronic research with 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene (CAS No.: 139896-65-4, CAT No.: SRCB-028), a high-purity thiophene-based heterocyclic compound featuring trimethylsilyl-ethynyl groups at the 2 and 5 positions of the fused thieno[3,2-b]thiophene core.

This molecule is a valuable building block in the synthesis of organic semiconductors, photovoltaic materials, and advanced optoelectronic devices due to its excellent π-conjugation, electron-rich character, and thermal stability. With a molecular formula of C₁₆H₂₀Si₂S₂ and a molecular weight of 332.63 g/mol, it is typically a light orange to yellow-green crystalline powder known for high purity (≥98% by GC) and melting point around 211–215°C. The trimethylsilyl groups enhance solubility and processability, facilitating diverse synthetic derivatizations including cross-coupling and polymerization reactions.

Product Highlights

Technical Features & Benefits

• Electron-Rich Heterocyclic Core: Thieno[3,2-b]thiophene provides excellent π-conjugation for organic semiconductor applications.

• Trimethylsilyl-Ethynyl Substituents: Enhance solubility, improve processability, and allow for versatile chemical modification through cross-coupling reactions.

• High Thermal Stability: Maintains integrity at elevated temperatures essential for device fabrication and operation.

• High Purity Guarantee: ≥98% purity by gas chromatography (GC) ensures consistent performance and reproducibility in research.

• Optoelectronic Performance: Strong UV absorption peak around 345 nm indicative of effective conjugation and electronic properties.

Application Areas

• Synthesis of organic semiconductors and conjugated polymers

• Material for organic photovoltaic (OPV) and organic light-emitting diode (OLED) research

• Building block in the development of functional electronic and optoelectronic devices

• Use in cross-coupling and other synthetic modifications for customized molecular architectures

Safety & Handling

• Handling Precautions: Use suitable personal protective equipment including gloves, safety goggles, and lab coat. Avoid inhalation, ingestion, and contact with skin or eyes.

• Storage Recommendations: Keep container tightly closed in a cool, dark, and dry environment, protected from moisture and light to maintain stability.

• Disposal: Dispose of chemical waste in accordance with local and national regulations.

Why Choose SRIRAMCHEM Laboratories Pvt. Ltd.?

• Expert Manufacturing: We guarantee consistent high purity and quality with advanced production and quality control techniques tailored to demanding scientific applications.
• Custom Synthesis: Our expert chemists provide scalable synthesis and custom modifications to suit your research and production needs.
• Rigorous Quality Assurance: Each batch is accompanied by full analytical documentation including GC, NMR, and HPLC to ensure product identity and purity.
• Customer-Focused Service: Dedicated support from consultation through delivery to meet your project timelines and specifications.

Request a Quote or Sample Today!
Accelerate your organic electronic and materials research with SRIRAMCHEM’s premium 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene. Contact us for pricing, sample availability, or custom synthesis inquiries.