1-(3,4-Dichlorophenyl)piperazine

IUPAC Name: 1-(3,4-Dichlorophenyl)piperazine
Canonical SMILES: C1CN(CCN1)C2=CC(=C(C=C2)Cl)Cl
InChI: InChI=1S/C10H12Cl2N2/c11-9-2-1-8(7-10(9)12)14-5-3-13-4-6-14/h1-2,7,13H,3-6H2
InChIKey: PXFJLKKZSWWVRX-UHFFFAOYSA-N
Molecular Weight: 231.12168 [g/mol]
Molecular Formula: C₁₀H₁₂Cl₂N₂
XLogP3: 2.9
H-Bond Donor: 1
H-Bond Acceptor: 2 
EINECS: 260-652-9
Product Categories: PiperazineDerivative; Piperaizine; Piperazine derivates; Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks; Piperazines; PiperazinesHeterocyclic Building Blocks 
Index of Refraction: 1.57
Molar Refractivity: 59.59 cm³
Molar Volume: 181.6 cm³
Surface Tension: 42.3 dyne/cm
Density: 1.272 g/cm³
Flash Point: 177.6 °C
Enthalpy of Vaporization: 61.69 kJ/mol
Boiling Point: 370.1 °C at 760 mmHg
Vapour Pressure: 1.14E-05 mmHg at 25 °C
Appearance: pale yellow crystalline powder
Melting Point of 1-(3,4-Dichlorophenyl)piperazine (CAS NO.57260-67-0): 62-66 °C

Hazard Codes: Xi
Risk Statements: 36/37/38
36/37/38:  Irritating to eyes, respiratory system and skin 
Safety Statements: 26-24/25-36
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
24/25:  Avoid contact with skin and eyes 
36:  Wear suitable protective clothing 
RIDADR: 3259
WGK Germany: 3
Hazard Note: Irritant
HazardClass: 8
PackingGroup: II

  1-(3,4-Dichlorophenyl)piperazine (CAS NO.57260-67-0), its Synonyms are 1,2-Dichloro-4-(1-piperazino)benzene ; Piperazine,1-(3,4-dichlorophenyl)- ; N-3,4-Dichlorophenylpiperazine ; 1-(3,4-Dichlorophenyl)piperazine 98% .