Description

4-Cyano-4′-n-butyl-p-terphenyl (CAS No. 66044-94-8) is a high-purity organic compound with the molecular formula C₂₃H₂₁N, widely utilized in advanced material research and specialty chemical applications. This terphenyl derivative features a cyano group at the 4-position and an n-butyl chain at the 4′-position, offering unique electronic and steric properties ideal for liquid crystal displays (LCDs), organic semiconductors, and photoluminescent materials. Its rigid terphenyl backbone ensures excellent thermal stability, while the polar cyano group enhances solubility in organic solvents for precise formulation. Suitable for researchers in optoelectronics, nanotechnology, and polymer science, this compound is rigorously tested for purity (typically ≥97% by HPLC or GC) and supplied in sealed packaging to ensure stability. Store under inert conditions at room temperature to maintain performance.

Properties

• CAS Number: 66044-94-8
• Complexity: 395
• IUPAC Name: 4-[4-(4-butylphenyl)phenyl]benzonitrile
• InChI: InChI=1S/C23H21N/c1-2-3-4-18-5-9-20(10-6-18)22-13-15-23(16-14-22)21-11-7-19(17-24)8-12-21/h5-16H,2-4H2,1H3
• InChI Key: XHSYKSDZHRVXHX-UHFFFAOYSA-N
• Exact Mass: 311.167399674
• Molecular Formula: C23H21N
• Molecular Weight: 311.4
• SMILES: CCCCC1=CC=C(C=C1)C2=CC=C(C=C2)C3=CC=C(C=C3)C#N
• Topological: 23.8
• Monoisotopic Mass: 311.167399674
• Synonyms: 4-Cyano-4′-n-butyl-p-terphenyl, 66044-94-8, 4”-Butyl-[1,1′:4′,1”-terphenyl]-4-carbonitrile, 4-[4-(4-butylphenyl)phenyl]benzenecarbonitrile, 4-[4-(4-butylphenyl)phenyl]benzonitrile, SCHEMBL10456991, SBB059231, AKOS024389660, ST51044328, F16569, 4”-Butyl-[1,1′;4′,1”]terphenyl-4-carbonitrile

Application

4-Cyano-4′-n-butyl-p-terphenyl is primarily employed in the development of liquid crystal materials for display technologies due to its mesogenic properties and alignment stability. It serves as a key intermediate in synthesizing organic semiconductors for OLEDs and photovoltaic devices, leveraging its conjugated structure for charge transport. Researchers also explore its use in fluorescent probes and supramolecular chemistry, where the cyano group facilitates hydrogen bonding and π-π stacking interactions.

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