70% (wt.), solvent - water Detonation velocity (m/s) = 7300.
Interatomic distances and bond angles:
Interatomic distances (in pm): 124 (N(1)-N(2))
Interatomic distances (in pm): 113 (N(2)-N(3))
Interatomic distances (in pm): 98 (H-N)
Bond angles (in degrees): 114 (H-N-N)
Numerical data:
Year of discovery: 1890
Detonation velocity (m/s): 8100
Density:
1.13 (20°C, g/cm3)
Vapour pressure (Torr):
1 (-72.8°C) 10 (-44.9°C) 100 (-8.1°C)
Electrode potential:
3N2 + 2H+ + 2e- → 2HN3, E = -3.1 V (water, 25°C) HN3 + 3H+ + 2e- → NH4+ + N2, E = 1.96 V (water, 25°C)