4-Cyanobiphenyl CAS NO.: 2920-38-9 Molecular Formula: C13H9N Molecular Weight: 179.22 Density:1.11 g/cm3 Melting Point:85-87 °C(lit.) Boiling Point:332.3 °C at 760 mmHg Flash Point:155.5 °C Purity:>97.0%(GC) Appearance:beige crystalline powder. Usage: 4-Cyanobiphenyl has been used for intermediate of liquid crystals.