Date published: 2026-2-10

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3,4-Propylenedioxythiophene (CAS 155861-77-1)

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Alternate Names:
3,4-Dihydro-2H-thieno[3,4-b][1,4]dioxepin, ProDOT
CAS Number:
155861-77-1
Molecular Weight:
156.20
Molecular Formula:
C7H8O2S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3,4-Propylenedioxythiophene is a chemical of interest in the field of conductive polymers. It is utilized in materials science research as a monomer for the synthesis of poly(3,4-ethylenedioxythiophene), known as PEDOT, which is a highly conductive and stable polymer with applications in organic electronics. Researchers focus on the polymerization of 3,4-Propylenedioxythiophene to study the electrical properties and stability of the resulting polymers. It is also used in the development of antistatic coatings and as a component in the fabrication of organic light-emitting diodes (OLEDs), solar cells, and other electronic devices. Additionally, 3,4-Propylenedioxythiophene is investigated for its potential in creating flexible and transparent conductive materials.


3,4-Propylenedioxythiophene (CAS 155861-77-1) References

  1. Conformational locking for band gap control in 3,4-propylenedioxythiophene based electrochromic polymers.  |  Walczak, RM., et al. 2006. Chem Commun (Camb). 1604-6. PMID: 16582993
  2. Triphenylamine-based dyes bearing functionalized 3,4-propylenedioxythiophene linkers with enhanced performance for dye-sensitized solar cells.  |  Liang, Y., et al. 2010. Org Lett. 12: 1204-7. PMID: 20170150
  3. POSS-ProDOT Crosslinking of PEDOT.  |  Wei, B., et al. 2017. J Mater Chem B. 5: 5019-5026. PMID: 29170716

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3,4-Propylenedioxythiophene, 100 mg

sc-226244
100 mg
$112.00