Environmental Engineering Reference
In-Depth Information
Table 6.2 The reaction of 1,3-diazidopropane and reductants
Compositions
Medium
Phenomem
1,3-diazidopropane +Al(CH
2
CH
3
)
3
N
2
(high purity)
Safe, stable, no reaction
1,3-diazidopropane + Al(CH
2
CH
3
)
3
Air
Explosion after addition of 1,
3-diazidopropane drop by drop
1,3-diazidopropane + Zn powder
Air
No reaction
1,3-diazidopropane + Zn powder
Air
No reaction
Detonation of 1,3-diazidopropane
To study the detonation of 1,3-diazidopropane, a special experiment is designed.
1,800 g 1,3-diazidopropane is placed in 800 mm aluminum shell, and a booster
ignites from the center. The measured super pressures are in Table
6.3
.
The above experiments indicate that 1,3-diazidopropane did not burn com-
pletely, and there are liquid in the bottom of shells. This is probably because that
1,3-diazidopropane has negative oxygen balance. And there is no explosion without
extra oxygen. 1,3-diazidopropane is more stable than nitrates.
Drop test or falling down test
To assess the safety of 1,3-diazidopropane, a drop test is designed. 500 g of 1,3-
diazidopropane is placed into a metal container and then the container is sealed. In
the packing, one still has 20 % empty room left, and the second is 0. All these
containers drop down from 50 m height and the ground is concrete. To see whether
there is explosion in the falling down, each packing way is tested 10 times. All test
results are in Table
6.4
.
All results show that there is no explosion decomposition in all the falling down
from 50 m height.
Metal shell experiments
200 g of 1,3-diazidopropane is packed in a 500-mL metal container with a 6 mm
double-base propellant plug. After ignited from the top of double-base propellant,
1,3-diazidopropane burns and explodes later. The metal container is broken into
two parts.
Table 6.3 The reaction of 1,3-diazidopropane and reductants
Experiment
Super pressure (MPa)
3m
5m
1
2
3
4
1
2
3
4
1,3-diazidopropane
0.265
0.277
0.278
0.293
0.093
0.098
0.088
0.101
Note There is black smoke in the aluminum shell of 1,3-diazidopropane
