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    TCI

    CAS 67061-69-2

    2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene TCI D3799

    2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene TCI D3799
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    TCI D3799 2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene is an organic semiconductor building block based on a dithienothiophene core, a system of three thiophene rings fused into a single flat and rigid framework. The two bromine atoms at positions 2 and 6 sit at the ends of the conjugated system, so the compound is specifically designed for linear chain extension through coupling reactions. In materials research laboratories, this compound serves as a monomer and core unit in the preparation of conjugated polymers and small molecules for organic electronic devices that demand high-performance structures.

    The structural advantages that make it a widely chosen building block lie in the fused framework, which forces the entire system to remain planar and prevents twisting between rings, so that orbital overlap along the chain proceeds optimally and electron delocalization becomes more effective. This sulfur-rich framework also promotes intermolecular interactions that lead to dense and ordered thin-film packing, an important factor for charge carrier mobility. In addition, the fused core provides better thermal and oxidative stability compared with non-fused thiophene chains, which supports reproducible device fabrication.

    In Indonesian laboratories, this compound is typically used in university and institutional materials research groups working on organic electronics and conjugated polymer synthesis. It is normally handled in small quantities on a synthetic bench, taken through coupling reactions under inert conditions, and then carried forward into purification and thin-film characterization work. Research programmes on organic semiconductors, polymer chemistry, and device-oriented materials science are the usual settings where this building block appears.

    • Conjugated polymer synthesis: the two terminal bromine atoms allow controlled linear chain extension through coupling reactions, giving researchers a reliable route to extended conjugated backbones.
    • Organic electronic device materials: the planar fused core supports effective electron delocalization, making it suitable for preparing materials intended for high-performance organic electronic devices.
    • Small molecule semiconductor preparation: it functions as a rigid central unit around which donor or acceptor groups can be attached to build well-defined small molecule semiconductors.
    • Thin-film charge transport studies: the sulfur-rich framework encourages dense and ordered molecular packing in thin films, which is an important factor when investigating charge carrier mobility.
    • Structure-property investigations: its fused, twist-free geometry lets researchers study how backbone planarity and orbital overlap influence the optical and electronic behaviour of conjugated systems.

    Brand TCI
    CAS number 67061-69-2
    Molecular formula —
    Purity —
    Category Materials Science > Material Building Blocks > Polymer/Macromolecule Semiconductor Building Blocks
    Pack sizes available in standard research pack sizes; store according to the manufacturer's instructions on the product label and safety data sheet.
    Physical form —
    Storage —
    • Chemical name: 2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene
    • Product code: D3799

    Store this compound in a tightly closed original container in a cool, dry, and well-ventilated place, protected from direct sunlight, heat sources, and moisture, and follow the specific storage conditions stated by the manufacturer on the product label and safety data sheet. Amber glass or the supplier's original packaging is suitable for keeping the material protected from light. Handle the solid in a fume hood, and wear a laboratory coat, safety goggles, and chemical-resistant gloves when weighing or transferring it. Avoid the generation and inhalation of dust, keep the container away from incompatible materials, and close it promptly after use. Because brominated building blocks are commonly taken into moisture-sensitive coupling reactions, transfer under inert atmosphere is advisable. Consult the safety data sheet before use, and dispose of residues and contaminated materials in accordance with applicable laboratory waste regulations.

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