Molecular Structure of 4-Piperazinoaniline (CAS No. 67455-41-8):
 

IUPAC Name: 4-Piperazin-1-ylaniline   
Synonyms: 1-(4-Aminophenyl)piperazine 
CAS Registry Number: 67455-41-8
Molecular Formula: C₁₀H₁₅N₃
Molecular Weight: 177.246200 g/mol
Index of Refraction: 1.59
Molar Refractivity: 54.04 cm³
Molar Volume: 160 cm³
Surface Tension: 46 dyne/cm
Density: 1.107 g/cm³
Flash Point: 183.7 °C
Enthalpy of Vaporization: 62.83 kJ/mol
Boiling Point: 380.2 °C at 760 mmHg
Vapour Pressure: 5.56E-06 mmHg at 25°C
Melting Point: 119-123 °C(lit.)
Product Categories: PIPERIDINE;pharmacetical;Amines;Phenyls & Phenyl-Het;Phenyls & Phenyl-Het;Building Blocks;Heterocyclic Building Blocks;Piperazines
Structure Descriptors:
SMILES: c1cc(ccc1N)N2CCNCC2
InChI: InChI=1/C10H15N3/c11-9-1-3-10(4-2-9)13-7-5-12-6-8-13/h1-4,12H,5-8,11H2
InChIKey: VAVOYRCCWLRTMS-UHFFFAOYAZ
Std. InChI: InChI=1S/C10H15N3/c11-9-1-3-10(4-2-9)13-7-5-12-6-8-13/h1-4,12H,5-8,11H2
Std. InChIKey: VAVOYRCCWLRTMS-UHFFFAOYSA-N

Safety Information of 4-Piperazinoaniline (CAS No. 67455-41-8):
Hazard Codes: Xn 
Risk Statements: 22-37/38-41
R22:Harmful if swallowed
R37/38:Irritating to respiratory system and skin
R41:Risk of serious damage to the eyes
Safety Statements: 26-39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S39:Wear eye / face protection
WGK Germany: 2