IUPAC Name: Piperazine-1-carbaldehyde
Molecular Formula: C₅H₁₀N₂O
Molecular Weight: 114.15 g/mol
Canonical SMILES: O=CN1CCNCC1
InChI: InChI=1/C5H10N2O/c8-5-7-3-1-6-2-4-7/h5-6H,1-4H2
Mol File: 7755-92-2.mol
EINECS: 231-813-0
Product Categories: Piperidines, Piperidones, Piperazines; API intermediates; Piperazines
Sensitive: Air Sensitive
XLogP3-AA: -0.9
H-Bond Donor: 1
H-Bond Acceptor: 2
Rotatable Bond Count: 0
Exact Mass: 114.079313
MonoIsotopic Mass: 114.079313
Topological Polar Surface Area: 32.3
Heavy Atom Count: 8
Complexity: 78.5
Index of Refraction: 1.551
Molar Refractivity: 31.97 cm³
Molar Volume: 100.1 cm³
Polarizability: 12.67×10^-24cm³
Surface Tension: 48.4 dyne/cm
Density: 1.14 g/cm³
Flash Point: 101.7 °C
Enthalpy of Vaporization: 53.11 kJ/mol
Boiling Point: 291.7 °C at 760 mmHg
Melting Point: 88-91 °C
storage temperature: 2-8 °C
Vapour Pressure of 1-Piperazinecarbaldehyde (CAS NO.7755-92-2): 0.00192 mmHg at 25 °C

Hazard Codes: Xn,Xi
Risk Statements: 22-37/38-41-36/37/38
R22: Harmful if swallowed. 
R37/38: Irritating to respiratory system and skin. 
R41: Risk of serious damage to the eyes. 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany of 1-Piperazinecarbaldehyde (CAS NO.7755-92-2): 2

  1-Piperazinecarbaldehyde (CAS NO.7755-92-2), its Synonyms are Piperazine-1-carbaldehyde ; Formylpiperazine ; N-Formylpiperazine ; 1-Formylpiperazine . It is clear colorless to faintly yellow liquid.