Empirical Formula: C₁₁H₁₃N₃
Molecular Weight: 187.241g/mol
Structure of 4-Piperazinobenzonitrile (CAS NO.68104-63-2):

Index of Refraction: 1.602
Molar Refractivity: 55.33 cm³
Molar Volume: 161.2 cm³
Polarizability: 21.93×10^-24cm³
Surface Tension: 53.8 dyne/cm
Density: 1.16 g/cm³
Flash Point: 184.6 °C
Enthalpy of Vaporization: 62.99 kJ/mol 
Melting Point: 83-86 °C
Boiling Point: 381.6 °C at 760 mmHg
Vapour Pressure: 5.01E-06 mmHg at 25°C 
Product Categories: PIPERIDINE;Piperidines, Piperidones, Piperazines;pharmacetical;piperazines 
Systematic Name: 4-piperazin-1-ylbenzonitrile
SMILES: N#Cc1ccc(cc1)N2CCNCC2
InChI: InChI=1/C11H13N3/c12-9-10-1-3-11(4-2-10)14-7-5-13-6-8-14/h1-4,13H,5-8H2
InChIKey: DJJNYEXRPRQXPD-UHFFFAOYAG

  4-Piperazinobenzonitrile , its cas register number is 68104-63-2. It also can be called 4-(Piperazin-1-yl)benzonitrile ;
 Benzonitrile, 4-(1-piperazinyl)- ; 1-(2-Cyanophenyl)-piperazine ; 4-(Piperazin-1-yl)benzonitrile 97% ; 4-piperazin-1-ylbenzonitrile ; 4-piperazinobenzenecarbonitrile .