'- Molecular Formula: C18H14N4O5S - Molecular Weight: 398.393 - Density: 1.5±0.1 g/cm3 - Boiling Point: 689.3±65.0°C at 760 mmHg - Melting Point: 260-265 °C (dec.)(lit.) - Flash Point: 370.7±34.3°C