• 2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene (CAS 909280-97-3) - TCI D3954 - AMI Scientific
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CAS 909280-97-3

2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene TCI D3954

2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene TCI D3954
Rp 7.024.500,00
Rp 7.024.500,00
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2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene is a semiconductor building block based on the benzodithiophene framework, a fused aromatic system that combines one benzene ring with two thiophene rings in a symmetrical arrangement. The two bromine atoms at the 2 and 6 positions make it a bifunctional monomer that is ready for use in cross-coupling reactions to construct conjugated polymers and oligomers. In materials science laboratories, this unit ranks among the most widely used electron-donor units in the design of active materials for organic solar cells and organic transistors, largely because its framework is exceptionally flat and rigid.

The characteristic that drives its selection is the planar fused geometry, which promotes regular intermolecular pi-stacking in the solid state. That tightly packed arrangement increases orbital overlap, so charge-carrier mobility within thin films is improved. The sulfur content of the two thiophene rings also contributes interchain interactions that stabilize film morphology. The high molecular symmetry ensures that the resulting polymers have a regular repeating structure free of regioisomeric defects, while the carbon-bromine bonds at the alpha positions of the thiophene rings are highly reactive toward cross-coupling chemistry.

In Indonesian laboratories, this building block is typically encountered in university and institutional research groups working on organic electronics, conjugated polymer synthesis, and thin-film device fabrication. It is normally used at small synthetic scale on a Schlenk line or in an inert-atmosphere setup, where the monomer is coupled with complementary comonomers and the resulting material is characterized and then processed into thin films for device evaluation.

  • Conjugated polymer synthesis: the two alpha-positioned bromine atoms act as reactive handles for cross-coupling polymerization, allowing controlled chain growth with complementary comonomers.
  • Organic solar cell active layers: the benzodithiophene unit serves as a strong electron-donor segment, and its rigid planar core supports the ordered morphology such devices depend on.
  • Organic transistor semiconductor materials: regular pi-stacking and enlarged orbital overlap in the solid state translate into improved charge-carrier mobility across the deposited thin-film channel.
  • Oligomer and model compound preparation: the bifunctional, highly symmetric structure lets researchers build well-defined conjugated oligomers without introducing regioisomeric defects into the sequence.
  • Structure-property relationship studies: the fused framework and thiophene sulfur atoms provide a fixed reference unit for investigating how backbone planarity influences film morphology and electronic behaviour.

Brand TCI
CAS number 909280-97-3
Molecular formula —
Purity —
Category Materials Science > Material Building Blocks > Polymer/Macromolecule Semiconductor Building Blocks
Pack sizes available in standard TCI research-scale packaging; please confirm the pack size when ordering
Physical form —
Storage keep in the original tightly closed container as indicated on the manufacturer's label
  • Product code: D3954
  • Chemical name: 2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene

Store the material in its original tightly closed container in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible chemicals, following the storage conditions stated on the manufacturer's label and safety data sheet. Amber glass or the supplied original packaging is suitable, and transferring under an inert atmosphere is advisable when the compound will be used in moisture- or air-sensitive coupling reactions. Handle it inside a fume hood using safety glasses, gloves, and a laboratory coat, avoid generating dust during weighing, and keep containers clearly labelled. Collect residues and contaminated consumables as chemical waste for disposal through the established laboratory waste route.

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