Playing With Nitroglycerin

siftbotsays...

Tags for this video have been changed from 'play, nitroglycerin, explosion, chemistry' to 'play, nitroglycerin, explosion, chemistry, nitrogen triiodide' - edited by mauz15

deathcowsays...

When we were in 4th grade, one of my sisters early boyfriends would give us these nitroglycerine (so we were told) tabs with clamps which clamp onto railroad rails. Supposedly they would put several of them in a row to communicate signals to engineers when the train rolled over and detonated them, like POW! POW! POW! meant something I guess.

We took them to the local elementary and I remember one kid put one in a giant tractor tire in the sand (for kids to play on) and got into the tire and smashed it with a rock and it completely obliterated his eyebrows and made his nose bleed.

mauz15says...

^ It has to be cold, and in a solution of ammonia in order to be "stable". I suppose it would also have to be in a place free of any vibrations.

>> ^brycewi19:
If the nitrogen triiodide can be set off by a feather or breath, then how did they get it on to the coffee filter to begin with without detonating it?


Because the moment it was transferred to the paper, the crystals were still wet with ammonia. Once some of the ammonia evaporates, the structure of the crystals becomes very very unstable. The chemical structure of it is in the form of carbon chains. When it is wet with ammonia, the ammonia is IN between the chains.

*This is just a guess: since the Nitrogen is relatively small compared to Iodine, Nitrogen being the central atom, has trouble keeping the other 3 Iodine atoms stable.

Note: I really doubt it is REALLY stable/nonvolatile if it is wet or in suspension. I think any vibration, even air currents strong enough can set it off but I have no proof of this.

arvanasays...

My brother temporarily blinded himself making nitrogen triiodide. He didn't think his mixture was working, so he bent over the pot to take a closer look at it, which is exactly when it went off. Luckily his vision returned by itself a few hours later and he had no lasting effects.

jimnmssays...

That stuff at the end looks like the stuff a friend of mine made for a science project once. I was helping him make it. We were doing it outside in his driveway, and he spilled a batch in the driveway while it was still wet. We picked up what we could and scattered the rest so it wasn't in large enough clumps to do any damage, but for weeks after you could still hear it popping when you walked across the driveway.

daxgazsays...

my 7th grade chem teacher used to put small drops of nitroglycerin on the floor, so when we came in it would pop as we stepped on it. I thought at the time that he was crazy. Now i think he was asking to get sued, but he was a great teacher. He also had no eyebrows from an earlier chemical accident.

HadouKen24says...

>> ^daxgaz:
my 7th grade chem teacher used to put small drops of nitroglycerin on the floor, so when we came in it would pop as we stepped on it. I thought at the time that he was crazy. Now i think he was asking to get sued, but he was a great teacher. He also had no eyebrows from an earlier chemical accident.


Never trust a chemistry teacher with intact eyebrows.

bleedingsnowmansays...

The guy that wrote the Anarchist's Cookbook said he regretted writing about that iodine explosive at the end because so many people kids blew off their fingers and, in some cases, lost their lives because they didn't take his warning that wind from a fly's wing could cause combustion.

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