Description
3,4-Dimethoxythiophene (CAS No. 51792-34-8) is a high-purity heterocyclic organic compound with the molecular formula C6H8O2S. This specialized chemical features a thiophene ring substituted with methoxy groups at the 3 and 4 positions, making it a valuable intermediate for advanced organic synthesis and materials science applications. Our product is rigorously tested to ensure exceptional quality, with purity levels suitable for demanding research and industrial processes. It is supplied as a clear to pale yellow liquid under standard conditions, with careful packaging to maintain stability. Ideal for use in conductive polymer research, pharmaceutical development, and specialty chemical manufacturing, this compound offers researchers precise control over molecular structure and reactivity.
Properties
- CAS Number: 51792-34-8
- Complexity: 77.1
- IUPAC Name: 3,4-dimethoxythiophene
- InChI: InChI=1S/C6H8O2S/c1-7-5-3-9-4-6(5)8-2/h3-4H,1-2H3
- InChI Key: ZUDCKLVMBAXBIF-UHFFFAOYSA-N
- Exact Mass: 144.02450067
- Molecular Formula: C6H8O2S
- Molecular Weight: 144.19
- SMILES: COC1=CSC=C1OC
- Topological: 46.7
- Monoisotopic Mass: 144.02450067
- Synonyms: 3,4-Dimethoxythiophene, 51792-34-8, DTXSID90394208, DTXCID40345068, 628-711-7, Thiophene, 3,4-dimethoxy-, 3,4-dimethoxy-thiophene, MFCD01096546, 3,4-Dimethoxythiophene, 97%, 3,4-Dimethoxy thiophene, SCHEMBL273191, SCHEMBL3943586, ZUDCKLVMBAXBIF-UHFFFAOYSA-N, BCP27307, SBB042426, AKOS000270772, AC-4907, CS-W008823, AS-14512, BP-20237, SY046581, DB-024805, D2728, ST50817369, EN300-254335, F0001-1349
Application
3,4-Dimethoxythiophene serves as a key monomer in the synthesis of conductive polymers, particularly for creating advanced materials with tailored electronic properties. Researchers utilize this compound in the development of organic semiconductors and electroactive polymers for applications in flexible electronics and energy storage devices. It also finds use as a building block in medicinal chemistry for the preparation of novel heterocyclic compounds with potential biological activity.
Safety and Hazards
GHS Hazard Statements
- H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
Precautionary Statements
- P264, P270, P301+P317, P330, and P501
Hazard Classes and Categories
- Acute Tox. 4 (100%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


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