Density 1.0 0.1 g/cm3 Boiling Point 236.2 25.0 C at 760 mmHg Melting Point 102-104 C (dec.)(lit.) Molecular Formula C8H12N4 Molecular Weight 164.208 Flash Point 96.6 23.2 C Exact Mass 164.106201 PSA 72.30000 LogP 1.26 Vapour Pressure 0.0 0.5 mmHg at 25 C Index of Refraction 1.491