4-Propyl-4′-methylbiphenyl
Semiconductor Display Materials 2025-03-04
1. Physicochemical Properties
- CAS Number: 117713-15-2
- Molecular Formula: C₁₆H₁₈
- Molecular Weight: 210.31 g/mol
- Boiling Point: 319.3±22.0°C (predicted)
- Density: 0.954±0.06 g/cm³ (predicted)
- Vapor Pressure: 0.007–0.37 Pa at 20–50°C
- Physical State: Solid
- LogP: 6.5–6.6 at 25°C
2. Synthesis Method
The compound can be synthesized via cross-coupling reactions, such as the Suzuki-Miyaura coupling. This involves reacting a propyl-substituted aryl halide with a methyl-substituted arylboronic acid/ester in the presence of a palladium catalyst, a base, and a ligand. Optimal conditions depend on substrate reactivity and catalyst selection.
3. Applications
- Organic Synthesis Intermediate: Serves as a precursor for more complex molecules due to its bifunctional structure (propyl and methyl substituents).
- Material Science: Potentially used in polymers or liquid crystals due to its rigid biphenyl backbone and alkyl substituents, which influence hydrophobicity and molecular packing.
4. Safety Information
- Handling: Follow standard chemical safety protocols (e.g., use gloves, goggles, and fume hoods).
- Storage: Keep in a cool, dry place, away from oxidants and strong acids.
- Disposal: Consult local regulations for hazardous waste disposal.
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