3,4-Dimethoxythiophene TCI D2728

Name: TCI D2728 51792-34-8 3,4-Dimethoxythiophene
Brand: TCI
SKU: TCI2510D272823052
Price: 1741950.0 IDR
Availability: InStock

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Berat 1g 5g

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Description

TCI D2728 3,4-Dimethoxythiophene (CAS 51792-34-8) is a five-membered heterocyclic compound in which sulfur serves as the ring heteroatom, carrying two methoxy groups at the 3- and 4-positions of the thiophene ring. It belongs to the heterocyclic building block category and holds a distinctive place in the chemistry of electrically conducting polymers. In the laboratory, this material is best known as a precursor to 3,4-dialkoxythiophene derivatives, including the dioxythiophene frameworks that serve as monomers for the thiophene-based conducting polymers widely studied in organic electronics.

The characteristics that make this compound a preferred choice begin with its electron-rich thiophene ring, further enriched by the two electron-donating methoxy substituents. This combination lowers the oxidation potential of the ring, so oxidative polymerisation proceeds more readily and the resulting polymers show improved stability. Placing the methoxy groups at the 3- and 4-positions also leaves the 2- and 5-positions free as coupling sites, and these are precisely the positions that matter most for building regular, well-ordered polymer chains. In addition, the methoxy groups can be exchanged with diols through transetherification, a route commonly used to form the fused dioxine ring of next-generation monomers.

In Indonesian laboratories, 3,4-dimethoxythiophene is typically encountered in synthetic and materials chemistry groups working on organic electronics, where it is used as a starting material for preparing dialkoxythiophene and dioxythiophene monomers. Its role is usually that of a bench-scale building block: taken up in a synthetic sequence toward conducting polymer precursors, then carried forward into oxidative polymerisation or coupling studies within research and development settings.

Laboratory Applications

Synthesis of 3,4-dialkoxythiophene derivatives — the methoxy groups are readily displaced through transetherification, making this compound a direct and convenient entry point to a broad family of alkoxy-substituted thiophenes.
Preparation of dioxythiophene monomers — reaction with diols builds the fused dioxine ring characteristic of the monomers used for thiophene-based conducting polymers in organic electronics research.
Oxidative polymerisation studies — the electron-rich ring and its lowered oxidation potential allow oxidative polymerisation to proceed more readily, giving polymers with better stability for characterisation work.
Conducting polymer research in organic electronics — as a recognised precursor within this polymer class, it supports laboratory investigations of thiophene-based conducting materials and their electronic behaviour.
Regioselective coupling chemistry — with substituents fixed at the 3- and 4-positions, the free 2- and 5-positions serve as the coupling sites required to assemble regular, well-ordered polymer chains.

Specifications

Brand: TCI
CAS number: 51792-34-8
Category: Chemistry > Building Blocks > Heterocyclic Building Blocks
Catalogue number: D2728
Pack sizes: available in standard TCI research packaging; please confirm the pack size required when ordering
Storage: store as indicated on the manufacturer's label and accompanying documentation

Handling and Storage

Store this material in a cool, dry, well-ventilated place, kept closed in its original container and protected from light, heat, and sources of ignition. Amber glass or the manufacturer's supplied packaging is suitable, with the cap kept tightly sealed to limit exposure to air and moisture. Handle the compound in a fume hood using safety glasses, gloves, and a laboratory coat, and avoid contact with skin, eyes, and clothing as well as inhalation of vapours. Keep it separated from strong oxidising agents. Always consult the manufacturer's Safety Data Sheet and product label for the authoritative handling, storage, and disposal requirements before use.