Questions tagged [explosives]

Questions discussing explosive nature of chemicals. Also, consider using the safety tag.

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Could an airborne swarm of small insects explode? [closed]

I know that fine-grained organic matter such as flour or pollen can be quite explosive if ignited. It also seems logical to me that the explosiveness of such an organic powder is determined by many ...
paulina's user avatar
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470 views

Weight Ratio vs Molar Ratio - Chloramines

I'm working with a delicate experiment whilst trying to test corrosion of stainless-steels in a chloramine environment. I've run into various literature that discusses the formation of different types ...
Kuhrta's user avatar
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2 votes
0 answers
128 views

Chloramines & Nitrogen Trichloride vs Stainless Steel [closed]

We've recently experienced excessive corrosion on stainless steel within indoor pool environments. We believe this is due to chloramine (gasses) in the atmosphere. To test this, I plan to create a ...
Kuhrta's user avatar
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-3 votes
1 answer
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Why the explosives get formed? [closed]

In many reactions mechanisms, we study things like 'it forms explosive mixture and should be discarded off immediately'. Now my question is 'If those compounds are that much unstable that it will ...
KeShAw's user avatar
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7 votes
2 answers
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Why is prismane explosive but cubane is not?

So I was reading about polyhedral hydrocarbons, because I dig the topic, and I read (admittedly on wikipedia entries... But they cited papers, I swear!) that prismane is explosive due to the massive ...
urquiza's user avatar
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6 votes
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Why is black powder used in modern military munitions?

I was surprised to read in this recent WSJ article about a black powder shortage: Today, [black powder] is a specialty commodity with few commercial applications—mostly for rocket hobbyists—but it’s ...
Lysander's user avatar
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-4 votes
1 answer
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Why do my slow burning fuses light off? [closed]

So recently II have been making a few times some slow burning fuses with: 34 g potassium nitrate, 26 g sugar, 60 g of water and some wool yarn. However when I light it up it burn a few seconds and ...
goAT2160's user avatar
4 votes
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Why is cyanuric triazide environmental friendly and less toxic?

This is the first line on Wikipedia: Cyanuric triazide ($\ce{C3N12}$ or $\ce{(NCN3)3}$) is described as an environmentally friendly, low toxicity, and organic primary explosive with a detonation ...
Nilay Ghosh's user avatar
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Why does Bachmann reaction differ in batch characteristics as opposed to flow characteristics

I have studied this reaction for over a year and it makes zero sense. When synthesizing HMX from Bachmann reaction, an important intermediate is DPT. DPT is formed by reaction of nitric and hexamine ...
Pulkit Sharma's user avatar
5 votes
2 answers
857 views

What is the flash point of acetylene?

On episode s10e11 of the show Criminal Minds, a confrontation occurs in a freezer full of acetylene gas. In this confrontation, the main character confidently fires her gun because the freezer was &...
thepenguin77's user avatar
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How to store ammonium perchlorate?

How should ammonium perchlorate (AP) be stored safely? The AP at PEPCON was stored in plastic and aluminium containers. I seem to remember that the very material of the storage containers (i.e. ...
Joey Joystick's user avatar
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What role does ammonium play in the explosion of ammonium nitrate? [duplicate]

I read that ammonium is the "fuel" and nitrate is the "oxidizer". The nitrate oxidizes because it's a nitro group, but what's the mechanism of the ammonium?
Bob Stephens's user avatar
12 votes
1 answer
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Constraints on pyrotechnic explosives that won't detonate spontaneously at 500 °C when landing on Venus?

The Space Exploration SE question Premature detonation of explosive bolts when landing on hot Venus? explains the need for and widespread use of pyrotechnic fasteners and cable cutters for Mars ...
uhoh's user avatar
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Is this ancient explosive mixture mentioned in the Apocrypha plausible?

I understand that religious discussion is not wanted here, but it's just the pretext to my question. I recently decided to read the Apocrypha. Sounded interesting. Anyway, when I got to The Book of ...
Servant's user avatar
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What determines the consistency of hydrogen foam when reacting aluminium with sodium hydroxide solution?

I was using $\ce{NaOH}$ solution to remove hardened grease from my stove burners, and it began to generate a lot of bubbles, some of which merged into a big bubble and erupted into the surface, but ...
user2934303's user avatar
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284 views

Why does Red Phosphorus react so violently with an oxidizer like Potassium Chlorate?

In Armstrong's Mixture, mixing those two chemicals results in a friction sensitive explosive which produces a loud bang. According to wikipedia, it is made by adding a strong oxidizer to red ...
jamieoliverswag's user avatar
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1 answer
202 views

Do high-energy chemical bonds indicate strong chemical bonds?

In my head it seems reasonable that a high-energy bond would indicate that the bond is strong, however a question got me thinking. Take for example lead azide, a very explosive compound that is often ...
Jack's user avatar
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Could you use All-Purpose Flour as a model rocket fuel?

I'm building a model rocket, and I'm trying to find a good fuel. I've done a lot of research and I know about r-candy and the aluminum-ammonium fuel, but I was wondering, before I made any of these, ...
Blue Herring's user avatar
3 votes
1 answer
1k views

Can you make R-Candy without heating the propellant mix?

I'm wondering if there's any way you can make "Rocket Candy" (or R-candy) fuel without cooking it. I'm building a model rocket that I'm hoping will get about 3 km on my first build (It's not ...
Blue Herring's user avatar
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Are tetra- and pentanitrotoluene better explosives than TNT?

When reading about TNT (trinitrotoluene), I noticed that the aromatic ring has still 2 carbon atoms left for two more possible nitro groups ($\ce{−NO2}$), which would get you tetra- or ...
Icebörg's user avatar
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1 answer
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Realistic conditions for fuel container explosion [closed]

First off, I'm not actually trying to blow anything up. Also, my apologies if this isn't the right SE to ask. If so, I'd appreciate it if you could point me to the right SE. I'm writing something ...
Nicola's user avatar
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How explosive is benzene compared to TNT?

Benzene is explosive within the explosive limits of minimum $\pu{1.2 \%}$ and maximum of $\pu{7.8 \%}$ in air. Source: Wikipedia More accurate, benzene itself is not explosive, but the fuel-air mixer ...
Bernard's user avatar
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4 votes
0 answers
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Does mercury(II) cyanate exist?

Recently, I have answered a question "Comparing explosive properties of mercury(II) cyanate and mercury(II) fulminate" where stability of cyanate vs fulminate was discussed. While I was ...
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39 votes
6 answers
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How does ammonium nitrate explode on its own?

I thought ammonium nitrate was an oxidizer that needed to be mixed with fuel to form a high explosive (e.g., ANFO). But apparently there have been accidental explosions involving just the "...
Rob N's user avatar
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Comparing explosive properties of mercury(II) cyanate and mercury(II) fulminate

I found this question online on Jiskha Homework Help: Of the compounds mercury(II) cyanate, $\ce{Hg(OCN)2},$ and mercury(II) fulminate, $\ce{Hg(CNO)2},$ one is highly explosive, the other is not. ...
Manit Agarwal's user avatar
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0 answers
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316 stainless steel and high concentration, high temperature Hydrogen Peroxide

I'm looking at doing some experiments with small scale rocketry and I need to find the right materials for this project, where I will be burning through lots of HTC (peroxide above 90% concentration). ...
Jason .H's user avatar
2 votes
2 answers
830 views

Are petroleum-based products prone to produce hard residues with black powder?

A common controversy about black powder is lubricant composition. Some people tell this is a bad idea to use any petroleum based products in such lube because it will produce hard, difficult to clean ...
KO the typo's user avatar
1 vote
0 answers
108 views

What is "salpotricon"? [closed]

I read in my old Polish history handbook about the black powder recipe that was taken from some medieval manuscript, if I remember correctly. One of the ingredients was called “salpotricon”, but years ...
Marthaa's user avatar
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-2 votes
1 answer
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How to get the strongest reaction out of 1kg of guncotton in a space of 15*15*15 meters without using an additional gas source

It would be burnt outside at about 2 degrees Celsius with about 75 percent air humidity, 1400 meters above sea level. Even though that's not exactly true, I'll treat it like pure guncotton. I'm asking ...
justthisonequestion's user avatar
1 vote
1 answer
340 views

Does the explosion of TNT include oxidation?

This comment below the question Rocket explosion compared to kT of TNT; has one ever knocked something over at a distance? suggests that ...TNT includes it's own oxidizer... Explosion isn't the ...
uhoh's user avatar
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1 vote
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What causes oxygen cylinders to explode when in contact with oil (oiled cloth)?

Perhaps I did not put it correctly, but from the welders I know that if you leave the oiled rag on the cylinder valve, it can explode. At least, I saw how greasy oily rags that just lay in the trash ...
Mouvre's user avatar
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3 votes
3 answers
233 views

Can we tell if a compound is explosive by just looking at its chemical structure?

If I showed you a compound's chemical structure will you be able to tell if it can be used as an explosive or we can only know that by conducting chemical experiments?
user avatar
2 votes
1 answer
421 views

Is it possible to create weaker version of guncotton by replacing cotton wool with wood chips or linen cloth?

If the cotton wool was replaced by wood chips or linen (flax) cloth, would the mixture of nitric and sulfuric acids still react with the cellulose in it to produce nitrocellulose? If it would, would ...
MadCake - Reinstate Monica's user avatar
4 votes
1 answer
3k views

Why is nitroglycerin so unstable?

I know that nitroglycerin is an incredibly powerful explosive due to its three nitro groups, but why is it so unstable? What in its chemical structure makes it so sensitive to shock and temperature? ...
Kevin's user avatar
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0 votes
1 answer
182 views

What am I doing wrong with the fuel and packing I am using for a cannon I made?

Recently I have been using flash powder in a cannon that I made, for a chemistry project, however, it is not causing the rubber ball I put in it to propel out of the tube. First I put in 30g of flash ...
Kenna's user avatar
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14 votes
2 answers
795 views

Why do most explosives have symmetrical chemical structures?

I was just turning the pages of my chemistry dictionary, when I found the structure of TNT (Trinitrotoluene): ...there after I got interested in its symmetry as an explosive, and started looking for ...
Martin Medro's user avatar
1 vote
0 answers
50 views

Would an explosion of an electrically charged material be more powerful than if it were not charged?

I was recently reading a book titled "Hitler's Suppressed and Still Secret Weapons, Science and Technology". I came across this book because I saw it referenced by someone on another site. The book's ...
user73910's user avatar
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7 votes
1 answer
650 views

What chemical explosives detonate when exposed to alpha particles or nuclear fission products?

Wikipedia's article on nitrogen triiodide $\ce{NI3}$ claims that Nitrogen triiodide is also notable for being the only known chemical explosive that detonates when exposed to alpha particles and ...
andselisk's user avatar
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3 votes
1 answer
151 views

Was nitroglycerin invented as an explosive?

Although I have researched this as carefully as the web allows, it is not clear to me if the inventor was planning to make an explosive and if so, why he thought the process he undertook would yield ...
releseabe's user avatar
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6 votes
2 answers
4k views

Why is gunpowder urinated on in Blood Meridian?

An interesting section of Blood Meridian (1985) by Cormac McCarthy has the gang of "Indian fighters" surrounded and out of powder, so one of them manages to make it from scratch, making charcoal from ...
releseabe's user avatar
3 votes
1 answer
85 views

Odorless smoke from 1812 Overture cannon fire

I went to an outdoor performance of the 1812 Overture last night. At the finale, a sequence of 'cannon fire' occurred. In past years the smoke has had the expected sulfur odor but this year the dense ...
BobT's user avatar
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2 votes
1 answer
504 views

Why was rhenium used as an igniter in flash bulbs?

It looks like it typically had a current passed though it to ignite zirconium threads. What properties of rhenium made it the best metal to use for this?
bigjosh's user avatar
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4 votes
2 answers
294 views

Are all highly shock sensitive chemicals highly temperature sensitive too?

I found that some highly shock sensitive explosives like lead azide, mercury fulminate have a relatively high auto-ignition temperature. I want to know if it's a general property or not and why so? ...
soumya's user avatar
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-4 votes
1 answer
969 views

why Nitrocellulose does not explode [closed]

my question is simple why Nitrocellulose does not explode since it contains Nitrogen and oxygen in the structure of the cotton why it does burn ?
iMyth's user avatar
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2 votes
0 answers
107 views

What explosive compound would be the most likely first explosive developed by a race? [closed]

Elaboration on title: What would most likely be the first explosive compound that some individual would create if they were just mixing together random things they had available? I'm not talking about ...
Maximunnit's user avatar
2 votes
0 answers
35 views

Cold Gas Inflation

What and how is cold gas inflation used as replacement for traditional gas ingredients in airbag deployment? Can we make our own version of cold gas inflation?
Osama Dar's user avatar
19 votes
1 answer
813 views

What did actually happen when Staudinger tried to synthesise diamond?

It is a famous reaction that used to be a teaching lab experiment, but is now banned in Germany, because it is too dangerous. To quote-translate quite liberally from the German www.seilnacht.com: ...
Martin - マーチン's user avatar
10 votes
1 answer
205 views

Can cis and trans isomers have widely different flash points?

Sigma seems to have two products listed for sale as "Cinnamic Aldehyde". One compound clearly seems the trans isomer but the other one seems like an unspecified mixture. (They even have two different ...
curious_cat's user avatar
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0 votes
2 answers
243 views

Pyrotechnic "star" without oxidizer

In the design of a celebratory pyrotechnic (firework), there exists a gunpowder explosive charge at the center of the firework and pyrotechnic "stars" lining the circumference of the explosive. The "...
Hypnos Stratagem's user avatar
12 votes
2 answers
4k views

Why doesn't liquid propane in a closed coke bottle burst?

I was watching this YouTube video in which the original experiment was to make a small rocket out of liquid propane and Coke. When that failed, the person doing the experiment decided to try pouring ...
L.B.'s user avatar
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