White to off-white crystalline powder, almost insoluble in water, should be stored in the dark place. 
Molecular formula: C₂₃H₃₆N₂O₂
Molecular weight: 372.54400 
Accurate mass: 372.27800 
Density: 1.065g/cm³
Melting point: 253°C 
Boiling point: 576.6°C at 760mmHg