3,4-Dimethoxythiophene - ≥97% , CAS No.51792-34-8

CAS: 51792-34-8 Cat. No.: D103168 Molecular Weight: 144.19 EC Number: 628-711-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
A15612 | AC-4907 | SCHEMBL273191 | Q-101198 | 3,4-Dimethoxythiophene, 97% | FT-0640027 | 3,4-Dimethoxythiophene | 3,4-dimethoxy-thiophene | Thiophene, 3,4-dimethoxy- | BCP27307 | AS-14512 | BP-20237 | AM20100270 | D2728 | MFCD01096546 | DTXSID90394208 | S
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
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1g
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5g
D103168-5g
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D103168-25g
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$12.90

$19.90
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100g
D103168-100g
3

$50.90

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500g
D103168-500g
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$253.90

$380.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

3,4-Dimethoxythiophene (DMOT) is a monomer and a precursor which can be synthesized by ring closure reaction of 2,3-dimethoxy-1,3-butadiene and sulfur dichloride in hexane medium. It is an oligothiphene that is majorly used in the development of electroactive materials for organic electronics based applications.

Specifications

Synonyms
A15612 | AC-4907 | SCHEMBL273191 | Q-101198 | 3, 4-Dimethoxythiophene, 97% | FT-0640027 | 3, 4-Dimethoxythiophene | 3, 4-dimethoxy-thiophene | Thiophene, 3, 4-dimethoxy- | BCP27307 | AS-14512 | BP-20237 | AM20100270 | D2728 | MFCD01096546 | DTXSID90394208 | S
Specifications & Purity
≥97%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid504762632
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504762632
Canonical SmilesCOC1=CSC=C1OC
IUPAC Name3,4-dimethoxythiophene
InChIKeyZUDCKLVMBAXBIF-UHFFFAOYSA-N
INCHI1S/C6H8O2S/c1-7-5-3-9-4-6(5)8-2/h3-4H,1-2H3
Isomeric SMILES COC1=CSC=C1OC
WGK Germany 3
Molecular Weight 144.19
Reaxy-Rn 111087
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=111087&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassEthers
Intermediate Tree Nodes Not available
Direct ParentAlkyl aryl ethers
Alternative Parents Thiophenes  Heteroaromatic compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Alkyl aryl ether - Heteroaromatic compound - Thiophene - Organoheterocyclic compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkyl aryl ethers. These are organic compounds containing the alkyl aryl ether functional group with the generic formula R-O-R' , where R is an alkyl group and R' is an aryl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

9 results found

Lot NumberCertificate TypeDateItem
H2205042Certificate of AnalysisMay 18, 2026 D103168
H2205043Certificate of AnalysisMay 18, 2026 D103168
H2205129Certificate of AnalysisMay 18, 2026 D103168
H2205130Certificate of AnalysisMay 18, 2026 D103168
J2129834Certificate of AnalysisAug 11, 2025 D103168
E1710069Certificate of AnalysisJan 17, 2025 D103168
L2009057Certificate of AnalysisOct 11, 2024 D103168
C2010159Certificate of AnalysisJan 05, 2024 D103168
H2205039Certificate of AnalysisJun 17, 2022 D103168
Chemical and Physical Properties
SolubilityMiscible with organic solvents. Slightly miscible with water.
SensitivityLight & Air Sensitive
Refractive Index1.5409
Flash Point(°F)107 °C
Flash Point(°C)106°C
Boil Point(°C)100-102°C
Molecular Weight144.190 g/mol
XLogP31.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass144.025 Da
Monoisotopic Mass144.025 Da
Topological Polar Surface Area46.700 Ų
Heavy Atom Count9
Formal Charge0
Complexity77.100
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Yu Zhang, Ruxangul Jamal, Shuyue Xie, Abdukeyum Abdurexit, Tursun Abdiryim, Yaolong Zhang, Yanyan Song, Yajun Liu.  (2023)  Poly (3, 4-propylenedioxythiophene)/Hollow carbon sphere composites supported Pt NPs to facilitate methanol oxidation reactions.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:38176233] [10.1016/j.jcis.2023.12.158]
2. Xiaojing Lv, Haofei Xu, Yuanyuan Yang, Mi Ouyang, Minao Xia, Chunyan Liu, Dominic S. Wright, Cheng Zhang.  (2023)  Flexible laterally-configured electrochromic supercapacitor with feasible patterned display.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.141453]
3. Yanyan Song, Ruxangul Jamal, Tursun Abdiryim, Abdukeyum Abdurexit, Shuyue Xie, Lielie Liu, Mariyam Niyaz, Nawrzhan Serkjan, Yu Zhang.  (2022)  Nickel coating on carbon nanotubes and PProDOT-2CH2SH supported Pt nanoparticles as the electrocatalyst for methanol oxidation reaction.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2022.168343]
4. Tongchao Chu, Haoguo Yue, Yue Zhao, Hongmei Du, Yan Zhang, Xiao Han, Jinsheng Zhao, Junhong Zhang.  (2019)  Synthesis and characterization of D-A type conjugated electrochromic polymers with cross-linked structure employing a novel and multi-functionalized molecular as the acceptor unit.  JOURNAL OF ELECTROANALYTICAL CHEMISTRY,      [PMID:] [10.1016/j.jelechem.2019.113276]
5. Xinfeng Cheng, Xiuping Ju, Hongmei Du, Yan Zhang, Jinsheng Zhao, Yu Xie.  (2018)  Synthesis and characterization of novel donor–acceptor type electrochromic polymers containing diketopyrrolopyrrole as an acceptor and propylenedioxythiophene or indacenodithiophene as a donor.  RSC Advances,  (41): (23119-23129).  [PMID:35540135] [10.1039/C8RA03570A]
6. Huihui Xie, Min Wang, Lingqian Kong, Yan Zhang, Xiuping Ju, Jinsheng Zhao.  (2017)  The optimization of donor-to-acceptor feed ratios with the aim of obtaining black-to-transmissive switching polymers based on isoindigo as the electron-deficient moiety.  RSC Advances,  (20): (11840-11851).  [PMID:] [10.1039/C6RA28865K]
7. Yan Zhang, Lingqian Kong, Xuezhong Liu, Chunlei Wang, Jinsheng Zhao.  (2016)  Two New Bithiophenes Derivatives Multielectrochromic Copolymer Based on Triphenylamine Unit and Their Application for Electrochromic Devices.  BULLETIN OF THE KOREAN CHEMICAL SOCIETY,  37  (8): (1234-1243).  [PMID:] [10.1002/bkcs.10844]
8. Jialu Gao, Hua Zhu, Huanhuan Cai, Qihang Ding, Xiaoxing Xiong, Tong Zhang, Bo Chen, Wumei Wang, Xinpeng Ju, Jianying Huang, Xiaodong Zeng, Jong Seung Kim, Xuechuan Hong.  (2024)  De Novo siRNA nanoplatform with NIR-II imaging for treatment of carotid atherosclerotic plaques.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.158455]
9. Adil Emin, Afei Ding, Salamat Ali, Muhammad Chhattal, Shafqat Ali, Anand Parkash, Qiang Li.  (2024)  Electrochemical non-enzymatic glucose biosensors based on Au-thiol-linked molecular architectures.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2024.111972]
10. Xiaojing Lv, Chunyan Liu, Mingfa Shao, Jin Li, Minao Xia, Jiankun Cui, Juncheng Dong, Mi Ouyang, Cheng Zhang.  (2024)  Full color control and patterned display device from cyan/magenta/yellow water-dispersed electrochromic polymer nanoparticles systems.  NANOTECHNOLOGY,  35  (36): (365201).  [PMID:38710176] [10.1088/1361-6528/ad47cd]
11. Yu Zhang, Yaolong Zhang, Ruxangul Jamal, Shuyue Xie, Abdukeyum Abdurexit, Tursun Abdiryim, Hongtao Yang, Kai Song.  (2024)  Polythiophene-coated carbon nano boxes for efficient platinum-based catalysts for methanol electrooxidation.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:38964122] [10.1016/j.jcis.2024.06.247]
12. Guoliang Zhang, Cong Xue, Ruxangul Jamal, Tursun Abdiryim, Feng Xu, Qian Cheng.  (2025)  Enhanced molecularly imprinted electrochemical sensing of L-Tyrosine using PEDOT-CH2NH2/Ti3C2TX/Au NPs: A strategy for food quality control.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.114453]
13. Fanda Feng, Lingqian Kong, Hongmei Du, Jinsheng Zhao, Junhong Zhang.  (2018)  Donor-Acceptor-Type Copolymers Based on 3,4-Propylenedioxy-thiophene and 5,6-Difluorobenzotriazole: Synthesis and Electrochromic Properties.  Polymers,  10  (4): (427).  [PMID:30966462] [10.3390/polym10040427]
14. Chunhui Du, Xu Cheng, Ge Zhang, Jingkun Xu, Jianming Zhang, Guangming Nie, Yao Huang, Shun Li, Yuqiao Zhang, Long Zhang, Yuanhua Lin.  (2025)  Molecular Bonding Engineering Enables Ultra-Stable Electrochromic Energy Storage in Flexible PEDOT Devices.  ADVANCED MATERIALS,      [PMID:41273032] [10.1002/adma.202516740]
15. Meimei Zhu, Shuhan Cao, Shunyu Wang, Xingchen Liu, Xiangwen Wu, Dongwen Zou, Hongyang Li, Yaowu He, Hong Meng.  (2025)  Unveiling the Electrochromic Switch: The π Spacer's Pivotal Role in Fluorinated D-A Copolymer for High Color Efficiency and Energy-Saving Smart Windows.  Nano Energy,      [PMID:] [10.1016/j.nanoen.2025.111240]
16. Qilong Zhang, Yajun Wang, Tursun Abdiryim, Ruxangul Jamal, Feng Xu, Yiming Liu, Jixuan Sun, Guangning Song, Yiwu Zhu.  (2026)  High-performance flexible UV detector based on Bi-ZnO nanoflowers/PEDOT-CH2OH via synergistic Co(IO3)2 interface polarization and oxygen vacancy enrichment.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2026.166526]
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