Description

4-((4-Ethylphenyl)ethynyl)-1,2-difluorobenzene (CAS: 145698-42-6) is a high-purity fluorinated aromatic compound with the molecular formula C₁₆H₁₂F₂. This specialized chemical features an ethynyl bridge linking a 4-ethylphenyl group to a 1,2-difluorobenzene moiety, making it a valuable intermediate for advanced organic synthesis and materials science applications. With exceptional stability and unique electronic properties, this compound is ideal for researchers developing liquid crystals, organic semiconductors, or pharmaceutical precursors. Our product is rigorously tested to ensure >98% purity (HPLC) and is supplied in sealed amber vials under inert atmosphere to guarantee stability. Available in research quantities from milligrams to multigram scales with comprehensive analytical data (NMR, MS, HPLC).

Properties

• CAS Number: 145698-42-6
• Complexity: 316
• IUPAC Name: 4-[2-(4-ethylphenyl)ethynyl]-1,2-difluoro-benzene
• InChI: InChI=1S/C16H12F2/c1-2-12-3-5-13(6-4-12)7-8-14-9-10-15(17)16(18)11-14/h3-6,9-11H,2H2,1H3
• InChI Key: BQBFWCWEKVUCLZ-UHFFFAOYSA-N
• Exact Mass: 242.09070671
• Molecular Formula: C16H12F2
• Molecular Weight: 242.26
• SMILES: CCC1=CC=C(C=C1)C#CC2=CC(=C(C=C2)F)F
• Monoisotopic Mass: 242.09070671
• Synonyms: 145698-42-6, 4-((4-ETHYLPHENYL)ETHYNYL)-1,2-DIFLUOROBENZENE, BENZENE, 4-[2-(4-ETHYLPHENYL)ETHYNYL]-1,2-DIFLUORO-, 4-[2-(4-ETHYLPHENYL)ETHYNYL]-1,2-DIFLUOROBENZENE, 4-[(4-Ethylphenyl)ethynyl]-1,2-difluorobenzene, 4-[2-(4-ethylphenyl)ethynyl]-1,2-difluoro-benzene, 4-(2-(4-ethylphenyl)ethynyl)-1,2-difluorobenzene, 2PdFPa, SCHEMBL12736435, DTXSID00932675, BQBFWCWEKVUCLZ-UHFFFAOYSA-N, MFCD17392901, AKOS022177366, SB66799, BS-49317, DB-024676

This compound serves as a key building block in the synthesis of advanced organic electronic materials due to its conjugated system and fluorine substitution. Researchers utilize it to develop novel liquid crystal formulations with improved thermal stability for display technologies. The ethynyl linkage enables facile incorporation into larger π-conjugated systems for organic semiconductor applications. In medicinal chemistry, it may be employed as a fluorinated scaffold for drug discovery programs targeting CNS disorders.

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