Semiconductor Display Materials

1. Physicochemical Properties

• CAS Number: 323178-01-4
• Molecular Formula: C₂₂H₂₆F₂O
• Molecular Weight: 344.44 g/mol
• Appearance: White crystalline solid.
• Purity: 98%-99.9%.
• Structure: A biphenyl derivative with a trans-4-ethylcyclohexyl substituent on one ring and 2.3-difluoro-4-ethoxy substituents on the other.

2. Synthesis Method

The compound is likely synthesized via cross-coupling reactions, such as the Suzuki-Miyaura coupling. This would involve reacting an ethyl-substituted aryl halide with a 2.3-difluoro-4-ethoxy-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

• Liquid Crystals: The rigid biphenyl backbone and alkyl/cyclohexyl substituents suggest potential use in liquid crystal materials, where such structures influence molecular alignment and optical properties.
• Organic Synthesis Intermediate: Could serve as a precursor for more complex molecules due to its bifunctional structure.

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.
• Customs Code: Likely similar to related biphenyl compounds (e.g., 2902909090).

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