Molecular Structure of 1-Boc-3-Cyanoazetidine (CAS NO.142253-54-1):

Empirical Formula: C₉H₁₄N₂O₂
Molecular Weight: 182.2197
CAS: 142253-54-1
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 53.33Ų
Molar Refractivity: 47.336 cm³
Molar Volume: 163.695 cm³
Index of Refraction: 1.49
Surface Tension: 41.847 dyne/cm
Density: 1.113 g/cm³
Flash Point: 129.281 °C
Enthalpy of Vaporization: 52.95 kJ/mol
Boiling Point: 290.154 °C at 760 mmHg
Vapour Pressure: 0.002 mmHg at 25°C
Melting point: 68-71°C
Product Categories: Azetidine; Ring Systems

 Hazard Codes: Xi,Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-36/37-9
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S36/37:Wear suitable protective clothing and gloves. 
S9:Keep container in a well-ventilated place.
RIDADR: 3439
HazardClass: 6.1
PackingGroup: III

 1-Boc-3-Cyanoazetidine , its cas register number is 142253-54-1. It also can be called 3-Cyano-1-boc-azetidine ; 3-cyano-azetidine-1-carboxylic acid tert-butyl ester ; 1-n-boc-3-cyano-azetidine ; n-t-boc-3-cyanoazetidine ; tert-butyl 3-cyanoazetidine-1-carboxylate ; n-boc-3-cyanoazetidine ; 1-boc-3-cyanoazetidine and so on.