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Hexamine synthesis. Ammonia and formaldehyde. 

TheBackyardScientist
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Join the science discord! / discord Enjoy! Question, comments?
So i was wrong on my math. 6grams to 4grams is wrong and im stupid ;) HClO3 pointed out that the correct stochiometry would be 68g ammonia with 180g of formaldehyde.

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9 окт 2024

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Комментарии : 167   
@CWGminer
@CWGminer 5 лет назад
Wow never knew that TheBackyardScientist did videos like this! Stumbled upon this while looking for a hexamine synth and it's pretty cool to see.
@ninetails6218
@ninetails6218 4 года назад
Its so jarring but, so 2010 YT so its great
@aaronvinegar8963
@aaronvinegar8963 4 года назад
Did you find anything on the synthesis? I'm looking for some more information.
@jonweinraub
@jonweinraub 2 года назад
I got bored waiting for new content and just found the oldest stuff and thought the same thing.
@Ajokeiguess
@Ajokeiguess Год назад
I didn’t realize it was him, wow!
@Chemi4001
@Chemi4001 9 лет назад
Furthermore formaldehyde is a bit acidic (pH around 4) and Hexamine will decompose under acidic condition so by adding excess ammonia we can assume that the solution will be basic (pH higher than 7) which prevent decomposition of Hexamine.
@TheBackyardScientist
@TheBackyardScientist 9 лет назад
Chemi Rockwood Thanks, I never thought about that.
@milkdrinker7
@milkdrinker7 8 лет назад
+dsndicmsa "*good thing* you can't make a video...." I support the pursuit of knowledge, but the fewer kids trying/succeeding in making explosives in their parents' kitchens, the better. If "how to make c4 from chemicals you can buy at the store" was a neatly packaged video on youtube, many would try it.
@Ottmar555
@Ottmar555 8 лет назад
Weird to see your early videos. It's a big change in format. Will you do any more chemical synthesis?
@meemy1337
@meemy1337 6 лет назад
TheBlapman i doubt it , normie kids these days ,dont care about nitrates anymore they are better off reporting things and sticking to channels like jake paul instead of making RDX or HMTD and risking their precious lives And BTW one that is interested can always find a way to synthesise it by refering to forum posts or articles online .... so .....
@justinblake420
@justinblake420 2 года назад
@@TheBackyardScientist inused tonwatch your videos when they were of this nature your new videos are ridiculous The backyard SCIENTIST that plays with double ended extension leads and pogo sticks
@Rhodanide
@Rhodanide 9 лет назад
Yeah, man! Almost 200k subscribers! Well earned!
@DannyDelusion
@DannyDelusion 3 года назад
4.7 million subs later...
@Rhodanide
@Rhodanide 3 года назад
@@DannyDelusion Wow that was a long time ago... wish he'd return to his roots with stuff like this but as long as he's enjoying what he's doing now, I'm fine with that too.
@DannyDelusion
@DannyDelusion 3 года назад
@@Rhodanide Agreed, I was down the rabbit hole of DIY fuel blocks and noticed your half a decade old comment and seeing where he is now, gave me a giggle. I've actually watched one of your videos on hydrazine at some point, probably why your comment caught my eye.
@johnblacksuperchemist2556
@johnblacksuperchemist2556 4 года назад
GREAT VIDEO..........Such an easy reaction for such a complex looking molecule.....hexamine
@johnblacksuperchemist2556
@johnblacksuperchemist2556 3 года назад
Just an FYI but if you have 4 grams of NH3 and 6 grams of formaldehyde the MOLAR RATIO IS not 4 to 6. The MASS RATIO is 4 to 6............................Four grams of NH4 is .235 moles OR 23.5% of a mole. So if you multiply the the molar mass of formaldehyde (30 g/mole) times .235 you get a 1 to 1 molar ratio. So 30 X .235 = 7.05.....................Then multiply that by 1.5 because 6 is 1.5 times bigger than 4. So 7.05 X 1.5 = 10.575. SO if you want a MOLAR ratio of 4 to 6 then you need 4 grams of ammonia and 10.575 grams of formaldehyde
@thequickscience
@thequickscience 11 лет назад
Great explanation and sythesis!
@Jagdtyger2A
@Jagdtyger2A 9 месяцев назад
What I would like to know is how they compress the Hexamine into those useful portable camp stove heat pellets. What kind of binder is used??
@StripeyType
@StripeyType 4 года назад
I'm sure that you realize this at this point, but your stoich is wrong. Because formaldehyde (30g/mol) and ammonia (~17g/mol) have different molecular weights, you cannot simply use a direct mass ratio like this.
@suprememasteroftheuniverse
@suprememasteroftheuniverse 2 года назад
He made other mistakes too. Also pure hexamine burn without leaving any traces.
@giulioalgusto6350
@giulioalgusto6350 2 года назад
how to prepare pure hexamine can you tell me?
@MadScientist267
@MadScientist267 2 года назад
I was thinking the same thing... He was using the density of water to translate the ammonia volume to mass... Doesn't work like that
@MadScientist267
@MadScientist267 2 года назад
@@suprememasteroftheuniverse Yes. No trace left, white flame
@amin_oldkiller5420
@amin_oldkiller5420 6 месяцев назад
was about to invade poland because of the wrong ratio in the comments but he pointed it out in the description, also thanks for the recipe
@plante1999
@plante1999 11 лет назад
Using stochiometry you should mix 68g ammonia with 180g of formaldehyde.
@donaldslayton2769
@donaldslayton2769 3 года назад
What was the weight of the yield?
@briantw7096
@briantw7096 5 лет назад
Great job! Keep them coming!
@kevinbarry3821
@kevinbarry3821 8 лет назад
This guy is a legit scientist
@irshadkhan8393
@irshadkhan8393 3 года назад
The great job sir
@mikeg4972
@mikeg4972 5 лет назад
Does the formaldehyde have to free of methanol to work? Many formalin solutions have some methanol.
@wevelles615
@wevelles615 5 лет назад
Mike G nope
@DJAsHeRMusic
@DJAsHeRMusic 6 лет назад
Methlamine is used in crystal meth right?
@scriewy
@scriewy 6 лет назад
lets go breaking BAD people, GoGoGO crystal meeeeTH !! what is the street price
@awsomesauce03
@awsomesauce03 8 лет назад
now show us how to nitrate it
@jonross377
@jonross377 3 года назад
Prolly just like nitrating anything else. nitric and sulfuric acid mixture.
@Kiwinov
@Kiwinov 3 года назад
@@jonross377 I guess dil HNO3 works best here, else it'll get oxidised
@Berghiker
@Berghiker Год назад
In the sun the powder just evaporates. It does not explode!
@bitterlemonboy
@bitterlemonboy 3 года назад
Great, now I can make some RDX.
@SoapSlimeAsmr320
@SoapSlimeAsmr320 3 года назад
u will need nitric acid
@froheschwanz
@froheschwanz 2 года назад
No, but you can blow yourself up trying.
@awsomesauce03
@awsomesauce03 8 лет назад
i need this for the animation of phenyl-2-propanone, you should try it some interesting chemicals
@jonross377
@jonross377 3 года назад
Thats methed up man... how about some MD-P2P
@Orthagoni
@Orthagoni 8 лет назад
you made a mistake, the molar ratio has to be 6:4 not by weight!
@suprememasteroftheuniverse
@suprememasteroftheuniverse 2 года назад
10g in 100g of solution not water. There's 90g of water. How do you get that wrong?
@ClownWhisper
@ClownWhisper 9 лет назад
you are just masking the formalin its still there
@jozefnovak7750
@jozefnovak7750 10 месяцев назад
Super! Thank you very much!
@Coticosimo
@Coticosimo 6 лет назад
then you can make RDX from that...
@industrialadhesive6357
@industrialadhesive6357 4 года назад
Not recommend 😂
@zoscmengiste4990
@zoscmengiste4990 3 года назад
Or m3th lol
@humr2346
@humr2346 3 года назад
@@industrialadhesive6357 Why not recommended? You can find protocol for making it on scifinder easily.
@industrialadhesive6357
@industrialadhesive6357 3 года назад
@@humr2346 like theoretically you could but looking at the statment i doubt he has the reagents available
@humr2346
@humr2346 3 года назад
@@industrialadhesive6357 you need only basic chemicals to do that from hexamine. Tricky part is making 100% HNO3.
@ikica26
@ikica26 4 года назад
how to make battery from crack?
@zommbiec7593
@zommbiec7593 6 лет назад
You can get way higher yields if you use those raw tablets
@AmruMagdy
@AmruMagdy 7 месяцев назад
Hexamine / Urotropine : Synthesis
@asherjohnson633
@asherjohnson633 7 лет назад
where do you find formaldehyde at? it would nice to press into pellets.
@stephenkislack9654
@stephenkislack9654 7 лет назад
formaldehyde is a as or liquid (formalin) very difficult to pelletize.
@jonross377
@jonross377 3 года назад
@@stephenkislack9654 Was gonna say the same but I think he was talking about pelleting the hexamine.
@janetunchained
@janetunchained 9 лет назад
any of you brothers know the ingredients and ratio to make a 50x50x50cm cube (125 litres) of clear as possible silicone? Or an equivalent material where it will set solid, but not brittle. I was thinking silicone or rubber, there will also be a small object suspended in the middle. Hope you can help, thank you
@TheBackyardScientist
@TheBackyardScientist 9 лет назад
Feynman Id say silicon casting rubber. It is expensive though. What is your project?
@janetunchained
@janetunchained 9 лет назад
so im suspending something in the middle of the cast, it will remain inside always.
@scottlund4562
@scottlund4562 8 лет назад
Feynman I believe I saw where mold casters put the poured silicone under vacuum to clear out the bubbles...if your object is air filled that may cause much distortion. Good luck
@marybolton8982
@marybolton8982 5 лет назад
Will this work if the formaldehyde is desolved into methanol
@ClemoVernandez
@ClemoVernandez 11 лет назад
how to make formaldehyde
@ethicalhacker8887
@ethicalhacker8887 6 лет назад
Veryyy easy by methanol dehydrogenation
@jebbyhut4711
@jebbyhut4711 5 лет назад
all illegal activities solutions here love the name
@ithenoob
@ithenoob 11 лет назад
Most formaldehyde comes with some methanol added as a stabilizer... Which forms nasty stuff when mixed with ammonia. Might wanna keep that out of the environment, eh?
@TheBackyardScientist
@TheBackyardScientist 11 лет назад
No, no nasty stuff forms because Ammonia and Methanol do not react under these conditions. Where did you hear that?
@ithenoob
@ithenoob 11 лет назад
***** Well.... i thought that since methanol and ammonia are both present, why wouldn't they react?
@ithenoob
@ithenoob 10 лет назад
Crackling Pyro Thnx for that clarification.. Now I can saturate charcoal in this stuff and barbecues will become a whole lot easier to start :P
@Jaybird196
@Jaybird196 10 лет назад
Should I take that as a "no"?
@aaaaaaaaaaaaaaaaaaa790
@aaaaaaaaaaaaaaaaaaa790 4 месяца назад
5:22 *video game pain noise*
@Jaybird196
@Jaybird196 11 лет назад
I have heard of this method, but have never seen a demonstration (I'd love to, though). I'm guessing, as I do not possess any formal chemistry background or training, that the methanol is heated so that the vapors pass over the heated catalyst to a cooled receiving flask. Am I mistaken, in any respects?
@jonross377
@jonross377 3 года назад
That is how to make formaldehyde, he is making hexamine here.
@Finnnicus
@Finnnicus 11 лет назад
Use it to do the reaction in which one forms aldehydes, forget what its called.
@tmarcus988
@tmarcus988 5 лет назад
Can you refine the hexamine somehow into a purer form?
@jonross377
@jonross377 3 года назад
That was pretty pure bud.
@suprememasteroftheuniverse
@suprememasteroftheuniverse 2 года назад
No, clearly it wasn't pure.
@roguemegalyth
@roguemegalyth 8 лет назад
I followed the recipe only I subbed muriatic acid for formaldehyde. how can muriatic acid be a weak Hydrochloric when it smokes and Hydrochloric doesn't?
@roguemegalyth
@roguemegalyth 7 лет назад
Steve Johnson so what's the confusion?
@roguemegalyth
@roguemegalyth 7 лет назад
Steve Johnson yes. hydrochloric acid under another name
@roguemegalyth
@roguemegalyth 7 лет назад
Steve Johnson oh and I have used hydrochloric acid and it doesn't fume to my knowledge. this is swimming pool grade so I don't know?
@CWGminer
@CWGminer 5 лет назад
First of all, muriatic is relatively strong, but not super strong as hydrochloric acid gets way more concentrated. iirc muriatic is usually around 30%. Secondly, you can't substitute HCl for formaldehyde, they are different compounds. You have to use formaldehyde.
@l-l
@l-l 6 лет назад
2013. Ah yes.
@vittoriovizzini
@vittoriovizzini 7 месяцев назад
What if I have 25% formldayde
@Jaybird196
@Jaybird196 11 лет назад
I'd like to know how to synthesize the formaldehyde, myself. I haven't been able to find any good, straightforward info on the process :( .
@oliwiermarszaluk6515
@oliwiermarszaluk6515 4 года назад
Jaybird196 me too
@jonross377
@jonross377 3 года назад
Well you would catalyze methanol at around 600 c..... methanol in, methanal (formaldehyde) out.... Keep looking there is lots of info on this... I dont think you will be able to do it at home. there are only a few manufactures for the whole worlds supply. but that is how it is done.
@Sophie-collin
@Sophie-collin 3 года назад
but is RDX explosive or do you have to at another base like PETN or TNT
@suprememasteroftheuniverse
@suprememasteroftheuniverse 2 года назад
You need another high explosive to detonate RDX. It's necessary high temperature and fast shockwave.
@Sophie-collin
@Sophie-collin 2 года назад
@@suprememasteroftheuniverse 💪🏼thanks
@zachz96
@zachz96 7 лет назад
Wouldn't burning nitrogen compounds produce Nitrogen Dioxide and Nitrogen Monoxide?
@elephystry
@elephystry 7 лет назад
Zach Z Nitrogen is incredibly difficult to oxidize, so probably not. Even when burning ammonia, you will not make nitrogen oxides.
@MohammedAslamtit-bitsoflife
@MohammedAslamtit-bitsoflife 2 года назад
How long it will burn?
@2.5boxerpowered57
@2.5boxerpowered57 6 лет назад
*Bro, i think that's Ammonium Hydroxide [NH4OH], not ammonia [NH3], because pure ammonia is not liquid at room temperature.*
@m.wolters9576
@m.wolters9576 5 лет назад
Right
@lifeonfire2390
@lifeonfire2390 5 лет назад
That's not formaldehyde, that's methanediol.
@AltarParssoy
@AltarParssoy 4 года назад
that made me thinking as if the proper synthesis should involve anhydrous ammonia with gaseous formaldehyde in a plug flow reactor...
@bitterlemonboy
@bitterlemonboy 3 года назад
It's a solution.
@jonross377
@jonross377 3 года назад
@@lifeonfire2390 Nice
@BrUh-xp6qi
@BrUh-xp6qi 6 лет назад
Wait, RDK is a carcinogen?
@Camroc37
@Camroc37 9 лет назад
Can't seem to find the answer online and I know you can help. Doing this process in reverse (Hexamine+HCl) makes Ammonia and formaldehyde. Is this in the form of a liquid or gas? Where did you get your formaldehyde? I just need the formaldehyde for preserving things.
@jonross377
@jonross377 3 года назад
You will not be able to separate the two, they are both miscible in water. the temperature is very important too, I would suggest you go to ebay and just buy formaldehyde.
@jackhartzell6074
@jackhartzell6074 4 года назад
Do a nitration!!
@shankerreddybodapatla9118
@shankerreddybodapatla9118 3 года назад
Can you make a vedio of OCTOGEN( HMX) synthesis?
@froheschwanz
@froheschwanz 2 года назад
You can find an archive of a livestream of attempted TNX synthesis through the Livermore Lab method.
@heybti2361
@heybti2361 3 года назад
what's a way to obtain formaldehyde? or synthesis formaldehyde expediently?
@jonross377
@jonross377 3 года назад
Ebay, you wont be able to make formaldehyde yourself...
@donaldslayton2769
@donaldslayton2769 3 года назад
Amazon sells it also
@ethicalhacker8887
@ethicalhacker8887 6 лет назад
What is the conc of ammonia
@paulpeffly9487
@paulpeffly9487 7 лет назад
your the coolest nerd
@Finnnicus
@Finnnicus 11 лет назад
The duff reaction!
@JH-uy6es
@JH-uy6es 10 лет назад
Where the heck do you get formaldehyde??
@florianclausen2071
@florianclausen2071 9 лет назад
Justin Hiemstra If you want to know how to make it yourself: Take paraformaldehyde or also knows as paraform (it's a polymer wich comes in prills and is used as an Disinfectant). When you heat it up it will depolymerise and you can lead the Formaldehyde gases directly into your ammonia. But do it outside since formaldehyde isn't that healthy.
@florianclausen2071
@florianclausen2071 9 лет назад
Justin Hiemstra If you want to know how to make it yourself: Take paraformaldehyde or also knows as paraform (it's a polymer wich comes in prills and is used as an Disinfectant). When you heat it up it will depolymerise and you can lead the Formaldehyde gases directly into your ammonia. But do it outside since formaldehyde isn't that healthy.
@Jaybird196
@Jaybird196 5 лет назад
@@florianclausen2071 do you know how to make the paraformaldehyde? Thanks.
@okay8632
@okay8632 3 года назад
@@florianclausen2071 can acetal release formaldehyde when heated?
@jonross377
@jonross377 3 года назад
@@florianclausen2071 You dont need to decompose it, para formaldehyde and formaldehyde are interchangeable in this reaction.
@roguemegalyth
@roguemegalyth 8 лет назад
what is a sub for formaldehyde besides muriatic acid which I tried?
@kid_missive
@kid_missive 2 года назад
why would you think it works like that!??
@Berghiker
@Berghiker 2 года назад
If you want to make an explosive peroxide, just mix acetone and 30% hydrogen peroxide. Just remember that it's a powerful explosive (high explosive) only in the dry compressed (maximum density) state. Now it just needs to sense a little heat and it will explode with a loud bang at 5300m/s.
@ismaelamarillo7488
@ismaelamarillo7488 Год назад
Absolutely not, YOU SHOULD NOT BE MAKING that explosive, triacetone peroxide is by far one one the most sensitive and dangerous explosives there are.
@Berghiker
@Berghiker Год назад
@@ismaelamarillo7488 You think I don't know that? I'm not a teenager.
@ismaelamarillo7488
@ismaelamarillo7488 Год назад
@@Berghiker Why do you propose it then?
@Berghiker
@Berghiker Год назад
@@ismaelamarillo7488 I know that. I made it a few times.
@Berghiker
@Berghiker Год назад
@@ismaelamarillo7488 ONLY in the COMPRESSED state!
@KEBUENAIDEACOMPA
@KEBUENAIDEACOMPA 5 лет назад
exelent now make rdx :v
@afilianozila3242
@afilianozila3242 2 года назад
Can work with formaldehyde 95%?
@isafiilvg
@isafiilvg Год назад
Ngapain bikin heksamin
@isafiilvg
@isafiilvg Год назад
Loh di edit komennya 🤣
@Berghiker
@Berghiker 2 года назад
Can you use 75% Formic acid for this?
@TheFireGoose
@TheFireGoose 2 года назад
It may be possible since Formic acid and formaldehyde are very similar, you might have to change the ratios though. If you do from what I have heard it’s good to have an excess of ammonia since hexamine can dissolve in acidic solutions, and formaldehyde and obviously formic acid are, well acidic. So by having an excess of ammonia that should provent to it.
@kid_missive
@kid_missive 2 года назад
Why does everyone in this thread think chemistry works like baking, and you can just substitute one thing for another and it works like magic? You would have to know a lot chemistry to make such a substitution, and even then it would have to be confirmed by experiment. Since there are literally billions of unique small molecules, just guessing at one giving the same reaction is going to be pretty unsuccessful.
@afilianozila3242
@afilianozila3242 2 года назад
Can it use ammonium hydroxide?
@isafiilvg
@isafiilvg Год назад
Ngapain bikin hexamine
@muhamadriansyah2173
@muhamadriansyah2173 9 лет назад
How do I make Hexamine at home ????
@Coticosimo
@Coticosimo 6 лет назад
Muhamad Riansyah by mixing ammonia & formaldehyde(formalin)
@charlielong4718
@charlielong4718 4 года назад
how much does this make??
@charlielong4718
@charlielong4718 4 года назад
Grams
@bitterlemonboy
@bitterlemonboy 3 года назад
@@charlielong4718 1 mole
@3er24t4g1
@3er24t4g1 11 лет назад
What could be used instead of formaldehydehyd?
@MadScientist267
@MadScientist267 2 года назад
Recommend Formaldehyde...
@kid_missive
@kid_missive 2 года назад
sugar, pee, just whatever you have lying around. haha How do you think chemistry works?
@slimjim8506
@slimjim8506 3 года назад
👍
@MadScientist267
@MadScientist267 2 года назад
Not very pure... Flame should be white
@polishnope5609
@polishnope5609 2 года назад
What? Hexamine does not burn with a white flame
@MadScientist267
@MadScientist267 2 года назад
@@polishnope5609 When it's pure it does lol
@polishnope5609
@polishnope5609 2 года назад
@@MadScientist267 It does not where did you get the information that it does it burns with orange flame
@MadScientist267
@MadScientist267 2 года назад
@@polishnope5609 Ok whatever lol
@MrOMGWTFxCorp
@MrOMGWTFxCorp 9 лет назад
How can I synthesise formaldehyde?
@Coticosimo
@Coticosimo 6 лет назад
MrOMGWTFxCorp you can synthesise it from methanol by dehidrogenation process
@Jaybird196
@Jaybird196 5 лет назад
@@Coticosimo How does that work? I can't find much of anything on formalin synthesis, on yt :( .
@scottjohnson7433
@scottjohnson7433 5 лет назад
you can easily buy it on ebay
@Jaybird196
@Jaybird196 5 лет назад
@@scottjohnson7433 Oh, I just like to be able to make things myself. But, thanks, for the tip.
@darellroasa6846
@darellroasa6846 5 лет назад
Jaybird196 get 16AWG or bigger solid copper and coil it like cin. roll and heat to a cherry red, and then hang it over the methanol, just like what he did from one of his experiments. then set up for condenser. just look it up online to make sure you got the vol/mass right
@blackbullyamitv1310
@blackbullyamitv1310 7 лет назад
infinite warfare zombies... not helping lol
@paulpeffly9487
@paulpeffly9487 7 лет назад
your the coolest nerd
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