Pregna-4,16-diene-3,20-dione C21H28O2 structure

C21H28O2 structure
Molecular Formula C21H28O2
Average mass 312.446 Da
Density 1.1±0.1 g/cm3
Boiling Point 461.0±45.0 °C at 760 mmHg
Flash Point 171.5±25.7 °C
Molar Refractivity 90.7±0.4 cm3
Polarizability 35.9±0.5 10-24cm3
Surface Tension 42.3±5.0 dyne/cm
Molar Volume 281.5±5.0 cm3