3-Cyclobutene-1,2-dione, 3,4-diethynyl- (9CI)

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
124.6±50.0 °C at 760 mmHg

[ Molecular Formula ]:
C₈H₂O₂

[ Molecular Weight ]:
130.100

[ Flash Point ]:
32.6±15.7 °C

[ Exact Mass ]:
130.005478

[ LogP ]:
0.61

[ Vapour Pressure ]:
12.7±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.565