3,4-Ethylenedioxythiophene
3,4-Ethylenedioxythiophene (CAS: 126213-50-1) is an organosulfur compound with the molecular formula C6H6O2S and a molecular weight of 142.18 g/mol. It functions as a key monomer and building block in materials science, particularly for organic and printed electronics. This compound is utilised as a reductant in gold nanoparticle synthesis and serves as a starting material in palladium-catalyzed arylation reactions.
- IUPAC
- 2,3-Dihydrothieno[3,4-b]-1,4-dioxin,EDOT
- Synonyms
- 2,3-Dihydrothieno[3,4-b]-1,4-dioxin,EDOT
Reductant in Nanoparticle Synthesis
3,4-Ethylenedioxythiophene is employed as a reductant in the one-pot synthesis of gold nanoparticles from tetrachloroauric acid (HAuCl4).
Starting Material for Arylation Reactions
This compound serves as a valuable starting material in palladium-catalyzed mono- and bis-arylation reactions, facilitating the synthesis of complex organic molecules.
Monomer for Organic Electronics
As a thiophene monomer, it is integral to the development of conductive polymers and materials for organic and printed electronics applications.
| Molecular weight | 142.18 |
|---|---|
| Empirical formula | C6H6O2S |
| Assay | 97% |
| Boiling point | 193 °C(lit.) |
| Density | 1.331 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5765(lit.) |
| Storage temperature | 2-8°C |
| Application | Employed as a reductant in a one-pot synthesis of gold nanoparticles from HAuCl4 (254169).1 Starting material used in palladium-catalyzed mono- and bis-arylation reactions.2 |
Hazard statements
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P312Call a POISON CENTER if you feel unwell
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22-36 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 3,4-Ethylenedioxythiophene used for?
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3,4-Ethylenedioxythiophene is used as a reductant in gold nanoparticle synthesis and as a starting material in palladium-catalyzed arylation reactions. It is also a key monomer in organic and printed electronics.
What is the CAS number and formula for 3,4-Ethylenedioxythiophene?
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The CAS number for 3,4-Ethylenedioxythiophene is 126213-50-1 and its empirical formula is C6H6O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Ethylenedioxythiophene with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
How should 3,4-Ethylenedioxythiophene be handled safely?
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3,4-Ethylenedioxythiophene is classified as Danger. It is harmful if swallowed and toxic in contact with skin. It also causes serious eye irritation. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. Store in a cool place at 2-8°C.
How is 3,4-Ethylenedioxythiophene packed and shipped?
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As a hazardous material (UN 2810, Class 6.1), 3,4-Ethylenedioxythiophene is packed and shipped according to international regulations for toxic solids, falling under Packing Group III.
How can I request a sample or quote for 3,4-Ethylenedioxythiophene?
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To request a sample or quote for 3,4-Ethylenedioxythiophene, please contact the TSS sales team via our website or by phone, providing your specific requirements.
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