3,4-Propylenedioxythiophene

CAS 155861-77-1C7H8O2SChemical Synthesis

3,4-Propylenedioxythiophene (CAS: 155861-77-1) is a heterocyclic organic compound with the molecular formula C7H8O2S and a molecular weight of 156.20 g/mol. This thiophene derivative serves as a versatile building block in advanced chemical synthesis, particularly in materials science and the development of organic electronics. Its structure lends itself to polymerisation and functionalisation, making it a key intermediate for novel materials.

IUPAC: 3,4-Dihydro-2H-thieno[3,4-b][1,4]dioxepin,ProDOT
Synonyms: 3,4-Dihydro-2H-thieno[3,4-b][1,4]dioxepin,ProDOT

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3,4-Propylenedioxythiophene (C7H8O2S) — chemical structure, CAS 155861-77-1; Chemistry, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Organic Electronics

3,4-Propylenedioxythiophene is extensively used as a monomer in the synthesis of conducting polymers for organic and printed electronics. These materials are vital for applications such as organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).

Materials Science

As a specialised building block, this compound enables the creation of novel functional materials. Its incorporation into polymer backbones can influence electronic and optical properties, driving innovation in materials science research.

Chemical Synthesis

This thiophene derivative is a valuable reagent in organic synthesis, offering a unique structural motif for constructing complex molecules. It is employed in research and development for creating advanced chemical entities.

02 /Properties

Molecular weight	156.20
Empirical formula	C7H8O2S
Assay	97%
Melting point	79-83 °C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

155861-77-1

MDL number

MFCD08276807

PubChem substance

24884477

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,4-Propylenedioxythiophene used for?

3,4-Propylenedioxythiophene is primarily used as a building block in chemical synthesis, particularly for developing materials for organic electronics and in broader materials science applications.

What is the CAS number and formula for 3,4-Propylenedioxythiophene?

The CAS number is 155861-77-1 and the empirical formula (Hill notation) is C7H8O2S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3,4-Propylenedioxythiophene with an assay of 97%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.

How should 3,4-Propylenedioxythiophene be handled safely?

Handle with appropriate personal protective equipment, including eyeshields and gloves. A respirator filter (type N95 or P1) is recommended. Refer to the safety data sheet for comprehensive handling information.

How is 3,4-Propylenedioxythiophene packed and shipped?

As a global supplier, Tech Serve Solutions exports chemicals worldwide, ensuring appropriate packaging for safe transit and compliance with international shipping regulations.