4
1 6 7 8
30 25 2 8
0.0653
C
Data from Heather Chen-Mayer at NIST who identified 
a material that closely matched the measured H/C
and N/C ratios. Densities from measurements made
at the Phantom Lab (Josh Levy).
C25H30N2O8
Average Density
   04lb - 0.0653 g/cc
   12lb - 0.1868 g/cc
   20lb - 0.3129 g/cc