Description

2-(2-Ethylhexyl)-3-fluorothiophene (CAS No. 2189704-71-8) is a high-purity fluorinated thiophene derivative with the molecular formula C₁₂H₁₉FS. This specialized organosulfur compound features a 2-ethylhexyl side chain and a fluorine substituent at the 3-position of the thiophene ring, offering unique electronic and steric properties for advanced material science applications. With a molecular weight of 190.34 g/mol, this compound is particularly valuable in the development of conjugated polymers, organic semiconductors, and liquid crystal materials. Its structural characteristics make it an excellent building block for tuning the optoelectronic properties of organic electronic devices. The product is supplied as a clear to pale yellow liquid with >95% purity (GC), packaged under inert gas to ensure stability. Proper storage at 2-8°C in a tightly sealed container is recommended to maintain product integrity.

Properties

• CAS Number: 2189704-71-8
• Complexity: 149
• IUPAC Name: 2-(2-ethylhexyl)-3-fluoro-thiophene
• InChI: InChI=1S/C12H19FS/c1-3-5-6-10(4-2)9-12-11(13)7-8-14-12/h7-8,10H,3-6,9H2,1-2H3
• InChI Key: RJWWALPDHADCLW-UHFFFAOYSA-N
• Exact Mass: 214.11914994
• Molecular Formula: C12H19FS
• Molecular Weight: 214.34
• SMILES: CCCCC(CC)CC1=C(C=CS1)F
• Topological: 28.2
• Monoisotopic Mass: 214.11914994
• Synonyms: 2-(2-Ethylhexyl)-3-fluorothiophene, 2189704-71-8, starbld0008695, SCHEMBL23877275, SCHEMBL28404037, G75128

Application

2-(2-Ethylhexyl)-3-fluorothiophene serves as a key monomer in the synthesis of fluorinated conjugated polymers for organic field-effect transistors (OFETs) and organic photovoltaics (OPVs). The compound’s fluorination enhances intermolecular interactions and improves charge carrier mobility in semiconductor applications. Researchers utilize this thiophene derivative to develop advanced liquid crystal materials with tailored dielectric anisotropy for display technologies. It also finds use as a precursor for catalytic cross-coupling reactions in medicinal chemistry.

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