2,5-Di(2-thienyl)thieno[3,2-b]thiophene TCI D4725

Name: TCI D4725 21210-90-2 2,5-Di(2-thienyl)thieno[3,2-b]thiophene
Brand: TCI
SKU: TCI2510D472525405
Price: 2923200.0 IDR
Availability: InStock

Rp 2.923.200,00

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Berat 200mg 1g

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Description

TCI D4725, CAS 21210-90-2, is 2,5-Di(2-thienyl)thieno[3,2-b]thiophene, a heterocyclic building block built around a fused thieno[3,2-b]thiophene core carrying two additional thiophene rings at the 2 and 5 positions. The compound serves as a ready-to-use π-conjugated scaffold in organic chemistry and materials science laboratories, particularly when researchers need a rigid, flat electron-donor unit to be assembled into semiconducting oligomers and polymers. Having it on hand removes several synthetic steps, so researchers can move directly to the functionalization stage and to the assembly of their target molecules.

The characteristics that make this compound a frequent choice lie in its fused conjugated system, which extends electron delocalization while keeping the molecular framework planar. That planarity encourages tight π–π stacking in the solid state, a factor generally associated with good charge transport in thin films. In addition, the α positions on the terminal thiophene rings are relatively easy to functionalize through halogenation, lithiation, or direct C–H arylation reactions, so the scaffold can be flexibly developed into a wide range of derivatives.

In Indonesian laboratories, a building block of this kind is typically used in university and institutional research groups working on organic electronics and materials chemistry, where multi-step synthesis of a conjugated core in-house would consume considerable time and reagents. Purchasing the fused scaffold ready-made lets the group concentrate its effort on derivatization, device fabrication, and characterization, which is a practical approach for research programs running on fixed project timelines.

Laboratory Applications

Semiconducting polymer synthesis — the fused thienothiophene core acts as a donor unit that can be coupled repeatedly, giving extended conjugation along the polymer backbone without extra core-building steps.
Conjugated oligomer preparation — the compound provides a defined, symmetrical π-system that researchers can extend at both terminal thiophene rings to obtain oligomers of controlled length.
Organic thin-film studies — the planar molecular framework promotes close π–π stacking in the solid state, making the material relevant to work on charge transport in deposited films.
Direct C–H arylation chemistry — the reactive α positions of the terminal thiophene rings allow coupling reactions to be carried out without first preparing halogenated or metalated intermediates.
Derivative and scaffold libraries — halogenation and lithiation at the terminal positions give straightforward access to a family of substituted analogues from a single starting scaffold.

Specifications

Brand: TCI
CAS number: 21210-90-2
Chemical name: 2,5-Di(2-thienyl)thieno[3,2-b]thiophene
Category: Chemistry > Building Blocks > Heterocyclic Building Blocks
Pack sizes: available in the pack sizes listed by TCI for this catalogue number (D4725); please confirm the required size when ordering
Storage: store according to the conditions stated on the manufacturer's label and safety data sheet

Handling and Storage

Store the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible chemicals, following the conditions given on the manufacturer's label and safety data sheet. Keep the material in its original supplier container, or in a clean, tightly sealed amber glass container if transfer is required, and label it clearly. Handle in a fume hood using safety glasses, gloves, and a laboratory coat, avoid dust generation and inhalation, and keep the container closed when not in use. Dispose of residues and contaminated materials through the laboratory's chemical waste procedures.