ChemicalBook > CAS DataBase List > 3-Methoxythiophene

3-Methoxythiophene

Product Name
3-Methoxythiophene
CAS No.
17573-92-1
Chemical Name
3-Methoxythiophene
Synonyms
EA004;3-METHOXYTHIOPHENE;m-Methoxythiophene;Methoxythiophene,95%;Thiophene, 3-methoxy-;3-Methoxythiophene>METHYL 3-THIENYL ETHER;3-Methoxythiophene,98%;3-Methoxythiophene,99%;3-Methoxythiophene, 98% 5GR
CBNumber
CB1312405
Molecular Formula
C5H6OS
Formula Weight
114.17
MOL File
17573-92-1.mol
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3-Methoxythiophene Property

Melting point:
49-50 °C(Solv: ethyl ether (60-29-7); ligroine (8032-32-4))
Boiling point:
80-82 °C/65 mmHg (lit.)
Density 
1.143 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.532(lit.)
Flash point:
121 °F
storage temp. 
Keep in dark place,Inert atmosphere,2-8°C
form 
Liquid
color 
Clear light brown
Sensitive 
Air Sensitive
BRN 
106404
InChI
InChI=1S/C5H6OS/c1-6-5-2-3-7-4-5/h2-4H,1H3
InChIKey
RFSKGCVUDQRZSD-UHFFFAOYSA-N
SMILES
C1SC=CC=1OC
LogP
1.810 (est)
CAS DataBase Reference
17573-92-1(CAS DataBase Reference)
NIST Chemistry Reference
Thiophene, 3-methoxy-(17573-92-1)
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Safety

Risk Statements 
10
Safety Statements 
16-27-36/37/39
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
F 
13
HazardClass 
3
PackingGroup 
III
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
374024
Product name
3-Methoxythiophene
Purity
98%
Packaging
5g
Price
$132
Updated
2025/07/31
TCI Chemical
Product number
M1093
Product name
3-Methoxythiophene
Purity
>98.0%(GC)
Packaging
1g
Price
$30
Updated
2025/07/31
TCI Chemical
Product number
M1093
Product name
3-Methoxythiophene
Purity
>98.0%(GC)
Packaging
5g
Price
$57
Updated
2025/07/31
TCI Chemical
Product number
M1093
Product name
3-Methoxythiophene
Purity
>98.0%(GC)
Packaging
25g
Price
$167
Updated
2025/07/31
TRC
Product number
M271705
Product name
3-Methoxythiophene
Packaging
5g
Price
$415
Updated
2021/12/16
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3-Methoxythiophene Chemical Properties,Usage,Production

Chemical Properties

Clear light brown liquid

Uses

3-Methoxythiophene, is a heterocyclic building block used for the synthesis of more complex compounds containing Thiophene moiety. It can also be used for the preparation of novel thiophenyl-methylene-9H-fluorene-based low bandgap polymers.

Synthesis Reference(s)

Synthetic Communications, 20, p. 213, 1990 DOI: 10.1080/00397919008052285

General Description

3-Methoxythiophene is a thiophene. The intramolecular and intermolecular geometries of crystals of 3-methoxythiophene were studied. Spectroscopic studies of bipolarons derived from oligomerized 3-methoxythiophene in solution has been reported. The electropolymerization of 3-methoxythiophene on Pt and Fe electrodes in an aqueous micellar medium containing sodium dodecyl sulfate and 10-3M bithiophene has been reported. Thin polymer films of 3-methoxythiophene at the cathode in a direct current discharge have been prepared.

Materials Uses

Thin polymer films were obtained from 3-methoxythiophene at the cathode in a dc discharge.

Synthesis

872-31-1

124-41-4

17573-92-1

Example 2 Preparation of 3-methoxythiophene: 185 g of 3-bromothiophene (1.13 mol), 3.24 g of copper(I) bromide (CuBr, 2 mol%) and 14.1 g of PEG DME 250 (5 mol%) were added to the reactor. Subsequently, sodium methanol solution (30% concentration, precursor concentration 30.4) was added and the mixture was heated to 90 °C. The conversion was monitored by GC during the reaction and was >98% (reaction time totaled 10 hours). Upon completion of the reaction, the mixture was poured into 300 g of water. After filtration through decalite, the mixture was extracted twice with 120 g of methyl tertiary butyl ether (MTBE). The organic phases were combined and subjected to vacuum fractionation to afford 117.4 g of 3-methoxythiophene (1.03 mol, 91% yield) with a GC purity of >99% (% area).

References

[1] Patent: US2008/71084, 2008, A1. Location in patent: Page/Page column 4
[2] Polymer, 2013, vol. 54, # 18, p. 4930 - 4939
[3] Journal of Materials Chemistry C, 2015, vol. 3, # 7, p. 1595 - 1603
[4] Chemical Communications, 2013, vol. 49, # 49, p. 5538 - 5540
[5] Research on Chemical Intermediates, 2015, vol. 41, # 11, p. 8651 - 8664

3-Methoxythiophene Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Methoxythiophene Suppliers

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View Lastest Price from 3-Methoxythiophene manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
3-Methoxythiophene 17573-92-1
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-19
Henan Aochuang Chemical Co.,Ltd.
Product
3-Methoxythiophene 17573-92-1
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-26
Henan Fengda Chemical Co., Ltd
Product
3-Methoxythiophene 17573-92-1
Price
US $200.00-1.00/KG
Min. Order
1KG
Purity
99%, 99.5% Sublimated
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-30

17573-92-1, 3-MethoxythiopheneRelated Search:

3-Methylthiophene 4-Methoxybenzyl cyanide Guaiacol Anisole POLY(ETHYLENE GLYCOL) METHYL ETHER ACRYLATE (Trifluoromethoxy)benzene Poly(3-hexylthiophene-2,5-diyl) p-Anisaldehyde 4-Methoxyphenol 2-Chloro-3-methoxythiophene-4-carbonyl chloride,5-CHLORO-4-METHOXYTHIOPHENE-3-CARBONYLCH,5-CHLORO-4-METHOXYTHIOPHENE-3-CARBONYL CHLORIDE 2-Methoxythiophene-2-carboxylic acid methylester,METHYL 3-METHOXYTHIOPHENE-2-CARBOXYLATE,3-METHOXYTHIOPHENE-2-CARBOXYLIC ACID METHYL ESTER METHYL 3-ETHOXYTHIOPHENE-2-CARBOXYLATE 4-METHOXYTHIOPHENE-3-CARBOXYLIC ACID,4-Methoxythiophene-3-carboxylic acid, 95+% METHYL 5-CHLOROSULFONYL-4-METHOXYTHIOPHENE-3-CARBOXYLATE,METHYL 5-CHLOROSULPHONYL-4-METHOXYTHIOPHENE-3-CARBOXYLATE Methyl 4-bromo-3-methoxythiophene-2-carboxylate 98%,METHYL 4-BROMO-3-METHOXYTHIOPHENE-2-CARBOXYLATE 2-Aminopyrimidine-5-boronic Acid Pinacol Ester ETHYL 2-AMINO-4,5-DIMETHYLTHIOPHENE-3-CARBOXYLATE 3,4-Dimethoxythiophene

  • 3-Methoxythiophene,98%
  • m-Methoxythiophene
  • 3-Methoxythiophene, 98% 5GR
  • 3-Methoxythiophene,99%
  • 3-METHOXYTHIOPHENE
  • METHYL 3-THIENYL ETHER
  • Methoxythiophene,95%
  • 3-Methoxythiophene&gt
  • Thiophene, 3-methoxy-
  • 3-Methoxythiophene ISO 9001：2015 REACH
  • EA004
  • 17573-92-1
  • 16848-22-6
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