Appearance: white to slightly yellow crystalline powder, stability is incompatible with strong oxidants. 
Density: 1.45 g/cm³
Melting point: 159-161 ° C 
Boiling point: 405.4 ° C at 760 mmHg 
Molecular formula: C₆H₉N₃O₃
Molecular weight: 171.15400 
Accurate mass: 171.06400 
should be stored in a warehouse at 2-8 ° C.