Description

4-[Difluoro(3,4,5-trifluorophenoxy)methyl]-4′-ethyl-3,5-difluoro-1,1′-biphenyl (CAS No. 303186-19-8) is a highly fluorinated biphenyl derivative with the molecular formula C₂₁H₁₃F₇O. This specialized organic compound features a unique difluoro(3,4,5-trifluorophenoxy)methyl group attached to a biphenyl core, further substituted with ethyl and difluoro moieties. Its precise IUPAC name is 2-[difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluorobenzene. The compound’s high fluorine content and structural complexity make it a valuable intermediate for advanced materials research, particularly in the development of liquid crystals, organic semiconductors, and fluorinated polymers. Its well-defined structure and purity (available upon request) ensure reproducibility in sensitive applications. This product is supplied as a high-purity solid, typically >95% by GC or HPLC analysis, and is packaged under inert conditions to ensure stability.

Properties

• CAS Number: 303186-19-8
• Complexity: 501
• IUPAC Name: 2-[difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluoro-benzene
• InChI: InChI=1S/C21H13F7O/c1-2-11-3-5-12(6-4-11)13-7-15(22)19(16(23)8-13)21(27,28)29-14-9-17(24)20(26)18(25)10-14/h3-10H,2H2,1H3
• InChI Key: ZTUBOAYBUBUTPH-UHFFFAOYSA-N
• Exact Mass: 414.08546217
• Molecular Formula: C21H13F7O
• Molecular Weight: 414.3
• SMILES: CCC1=CC=C(C=C1)C2=CC(=C(C(=C2)F)C(OC3=CC(=C(C(=C3)F)F)F)(F)F)F
• Topological: 9.2
• Monoisotopic Mass: 414.08546217
• Synonyms: 4-(Difluoro(3,4,5-trifluorophenoxy)methyl)-4′-ethyl-3,5-difluoro-1,1′-biphenyl, 4-[difluoro(3,4,5-trifluorophenoxy)methyl]-4′-ethyl-3,5-difluoro-1,1′-Biphenyl, 303186-19-8, 4-[Difluoro(3,4,5-trifluorophenoxy)methyl]-4′-ethyl-3,5-difluorobiphenyl, 1,1′-Biphenyl, 4-[difluoro(3,4,5-trifluorophenoxy)methyl]-4′-ethyl-3,5-difluoro-, 2-[difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluoro-benzene, 2-[difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluorobenzene, MFCD22376741, tFPO-CF2-dF2B, SCHEMBL15965522, C21H13F7O, DTXSID701138261, AKOS027460715, DS-19163, DB-216909, CS-0059885, D5129, F16739, 4-[difluoro(3,4,5-trifluorophenoxy)methyl]-3,5-difluoro-4′-ethyl-biphenyl, 4-[Difluoro(3,4,5-trifluorophenoxy)methyl]-3,5-difluoro-4′-ethylbiphenyl, 2-[Difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluorobenzene,, 4-[Difluoro(3,4,5-trifluorophenoxy)methyl]-4a(2)-ethyl-3,5-difluoro-1,1a(2)-biphenyl

Application

This fluorinated biphenyl derivative is primarily utilized as a key intermediate in the synthesis of advanced liquid crystalline materials for display technologies. Its unique fluorine substitution pattern enables fine-tuning of dielectric anisotropy and thermal stability in nematic or smectic phases. Researchers also employ it as a building block for fluorinated organic semiconductors, where its electron-withdrawing properties enhance charge transport characteristics. Additionally, it finds use in the development of specialty polymers with enhanced chemical resistance and low surface energy properties.

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