> chemistry > explosifs > furoxanes-and-furazanes-series-reactivechem > making-oleum-and-dioxane-furoxanes-and-furazanes-part-1-reactivechem

Making Oleum and Dioxane (furoxanes and furazanes part 1)

ReactiveChem - 2020-09-28

This video is very dangerous don’t try anything you see here at home.

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Furoxane Paper: https://cdn.discordapp.com/attachments/690382953833955348/692733624453431406/BNTFO.pdf

Videos used in video:

https://youtu.be/aWIE0PX1uXk.  Sad piano music

https://youtu.be/pjC2VrqTdhw potassium in oleum

https://youtu.be/9Fc6zud4QMU smoke grenade

https://youtu.be/grV8IvIqeUs oleum

@ExplosionsAndFire - 2020-10-02

The tar!! The tar!!!!

@reactivechem7408 - 2020-10-02

It makes me sad

@oitthegroit1297 - 2020-10-06

@@reactivechem7408 Hey, I've always wondered what this tar is made of. I can't seem to find to answer on Google. Also, hello @Explosions&Fire!

@reactivechem7408 - 2020-10-07

Oit Thegroit it’s just a mix of random polymerized crap and probably some burned stuff as well idk what the polymerized crap is but it’s nothing useful

@oitthegroit1297 - 2020-10-07

@@reactivechem7408 I see, thank you.

@devonnoel165 - 2021-11-17

Love you you aussie God king!

@mwilson14 - 2020-09-29

It's so great to have this video pop up into my main feed. There aren't too many videos out there on making oleum. Adrian's Lab created a nice batch of oleum via the contact process using platinum as the catalyst. I'll be making oleum in the future too, but I'm using vanadium pentoxide as my catalyst. I have everything I need for glassware & chemicals to carry out the procedure(s). I might be decomposing potassium pyrosulfate, which I created last year as my starting source for sulfur trioxide originally, which would make the vanadium pentoxide technically unnecessary, if I indeed go this route. I'm not sure how practical decomposing potassium pyrosulfate will be scaled up since the temperature required is higher than that of distilling sulfuric acid which I've done twice in the past and that always scares the hell out of me.

I have the quartz glass tubes necessary to heat the catalyst for the contact process, but I would need something that can heat over 600 C to decompose the potassium pyrosulfate and this would be performed in a flask that could withstand temps which could potentially deform standard boro3.3 reaction flasks. My Scilogex MS7-H550-S hotplate only heats up to 550 C, so that is indeed another issue with thermally decomposing potassium pyrosulfate, though that could be overcome with a $20 food purpose hotplate, or use a propane camping stove. Yeah, so thermally decomposing potassium pyrosulfate during amateur hour with me, is probably not a viable route.

Oh well. I'm just going to move forward with watching your video and get back to avoiding performing my own experiment out of cowardliness of possible equipment failure and hot corrosive, hellish chemicals going everywhere. I'll still do it eventually, but I am comfortable enough to continue procrastinating for safety.

@reactivechem7408 - 2020-09-29

Yea quartz glassware is extremely expensive and the only way to heat up your glassware would be a tube furnace, a blowtorch, or a hotter hot plate. I prefer a blow torch because you can easily adjust those and blast what you want. I just used the classic p2o5 and sulfuric elite because it’s easy. I wish you lots of luck in your endeavor.

@chemistryofquestionablequa6252 - 2020-12-19

Hey, look at it this way. You can use the oleum to clean your glassware from the dioxane synthesis. Pure carbon won't stick to glass.

@dimaminiailo3723 - 2021-02-21

I think that the dioxane tar appears because there is too little water left in the reaction mixture. One old manual on dioxane describes the charring of the reaction mass after increasing the temperature of the exhaust steam from 84-87°C (azeotrope dioxane-water) to 101-103°C, i.e., before boiling anhydrous dioxane.
upd I'm an idiot, the water released by the reaction is enough to form an azeotrope. there may be a lot of sulfuric acid left. I recommend trying this process with a continuous infusion of ethylene glycol or with the pre-addition of desiccated dioxane to remove water from the reaction mass at a lower temperature

@GrassPossum - 2022-12-27

I've used dry acid and heated up over 300 degrees Celcius to produce Sulphur Trioxide for oleum. It isn't too bad, if you use the right precautions.

@industrialadhesive6357 - 2020-12-07

New product idea! Oleum drain opener!

@reactivechem7408 - 2020-12-08

That would indeed work, maybe a little too well

@DBXLabs - 2020-09-28

Very nice. Very epic.

@ajingolk7716 - 2024-03-09

Oleum can be made by only boiling sulfuric acid once it reach its max concentration it begins to decomposes to so3 and h2o, one evaporate and the other dissolves in the remaining acid 😊

@SodiumInteresting - 2021-11-13

great work, wish I'd gotten into this at your age

@henryrenyz7232 - 2020-09-29

Sulfur trioxide sublime sucks, even in the ice bath. To make oleum the best way is to pump it directly into sulfuric acid, and this gets really high yield:)

@reactivechem7408 - 2020-09-29

Yea but that’s much harder because I’d have to distill into sulfuric acid and that kinda scares me

@TheBackyardChemist - 2020-10-15

5:25 using that wrench looked risky AF, had the plug been stuck even more you might have broken off the handle of it

@reactivechem7408 - 2020-10-15

Yea it was risky af but it was the only way it was coming out

@jacabo136 - 2020-10-02

Very cool video. Nice to see my stopper-holding services make the final cut. No, I was not the one filming vertically like some kind of barbarian.

@reactivechem7408 - 2020-10-02

Yes thank you for not being the one who filmed vertically

@morningstarsci - 2022-09-27

Is the tar from the impurities in the coolant?

@aidand.7911 - 2021-04-23

Why are half your videos age restricted? Did YouTube force that or did you do it yourself? Respect and understand if you did it yourself

@reactivechem7408 - 2021-04-23

I did some of them myself but YouTube has also done some

@gavinmcclain2811 - 2021-01-28

Hey can i get some help i dont understand the math behind this if i have 98+% h2so4 how many grams of so3 must be added to get 15% free so3? any help would be appreciated or at least point me in the right direction. Thanks

@reactivechem7408 - 2021-01-28

Well, 15% oleum is just 15g of so3 in 85g of sulfuric per 100g of the 15% oleum. I assume the sulfuric is 100% because easier calculations.

@gavinmcclain2811 - 2021-01-28

@@reactivechem7408 Thanks i appreciate it i was overthinking it like always btw keep up the great work!

@reactivechem7408 - 2021-01-28

Yea no problem, I as well overthought it before and it took me a while to realize how simple the calculation really was.

@BackYardScience2000 - 2020-09-28

Very cool! I'm gonna use your method to produce my own oleum sometime soon. Thanks for the walkthrough!

@reactivechem7408 - 2020-09-28

Yea if you have any questions you know where to ask 😉

@BackYardScience2000 - 2020-09-28

@@reactivechem7408 indeed. Lol!

@jestemmistrzem1230 - 2020-10-14

Hey I have a question. How do somebody know how much detonator and primer is needed to fully detonate something? I meant for detonation for example 1lbs anfo and 30lbs you must for sure use different amounts. How do you know exactly how much is enough? (i've given anfo just as an example). And sorry that a bit out of topic

@K0ester - 2020-10-08

Have you gotten more glassware? I know your past videos you were pretty low on glass, using broken stuff. There is a surplus store in Minnesota where i live and they sell beakers, flasks, etc for cheap, its alk borosilicate glass. Id love to send you some.

@reactivechem7408 - 2020-10-08

Oh, I think I will have to accept your offer. Do you have a discord? We could talk privately on there.

@K0ester - 2020-10-08

@@reactivechem7408 i dont, but i will download it and make an account and figure it out.

@K0ester - 2020-10-08

discord.gg/RfKTjN

@K0ester - 2020-10-08

@@reactivechem7408 unless you want to send an invite link to your own

@reactivechem7408 - 2020-10-08

K0ester oh, you can join mine if you want invite link is in description of video

@SodiumInteresting - 2021-11-13

oh the ice is melting 🤣

@koukouzee2923 - 2020-09-28

5:56
Yea I would regret my existence if it blew on me xD

@koukouzee2923 - 2020-09-28

Oh boi oluem time

@TomsLab - 2020-09-30

That wrench physically hurt me :|

@reactivechem7408 - 2020-09-30

Yea I’m lucky it didn’t snap the neck of the stopper

@koukouzee2923 - 2020-09-28

You should have distilled the ethylene glycol before the reaction to minimize the tar

@reactivechem7408 - 2020-09-28

I was going to but then realized how much effort that would take

@xerolad4086 - 2020-09-29

@@reactivechem7408 it's worth it.

@zeo_crash7984 - 2020-09-29

ReactiveChem: Uses a metal spanner on a flask full of SO3
Me: Aaaaaaaaaaaaah

@reactivechem7408 - 2020-09-29

Hehe

@tushargopaul9733 - 2020-09-29

Interesting vid👍👍👍👍

@reactivechem7408 - 2020-09-29

Thanks!

@mwilson14 - 2020-09-29

At least it's easy to regenerate your sulfuric acid by just letting your equipment suck all the moisture out of the air. :)

@reactivechem7408 - 2020-09-29

Lmao yes

@saschalinz5847 - 2024-02-06

Hm, your practise is a little bit risky, be more carefull with glass ware! Temperature differences and hitting!

@nvmapompilivs7635 - 2020-09-28

oileum so it's just like my ammonium perchlorate sulfamic acid smoke mix, pure death and destruction from all the sulphuric acid fumes

@reactivechem7408 - 2020-09-28

Yes indeed

@nvmapompilivs7635 - 2020-09-28

@@reactivechem7408 I really like my smoke mix

@tonimontana9411 - 2020-09-28

I shruged when you loosend the stoper with that wrench 😅😅
Im always so carefully with my glassware handeling it like its a new born 😅

@tql1209 - 2020-09-28

Nice

@reactivechem7408 - 2020-09-28

Thx

@sodiumcyanide615 - 2020-09-28

furrowoxanes

@reactivechem7408 - 2020-09-28

Yes

@Rhodanide - 2020-09-28

Cease

@moonface550 - 2020-09-29

NOOOOOO