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Author: Subject: toluene --> benzaldehyde
Raid
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[*] posted on 1-6-2023 at 05:07


thanks arkoma :)
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arkoma
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[*] posted on 1-6-2023 at 15:13


https://www.youtube.com/watch?v=NIVkBs7oWDI

NileRed just posted this today.

The Etard.




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paulll
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[*] posted on 1-6-2023 at 23:05


Quote: Originally posted by arkoma  
https://www.youtube.com/watch?v=NIVkBs7oWDI

NileRed just posted this today.

The Etard.

I got a bit excited when I saw, "paint thinner to cherry soda;" A new nilered about something that's actually useful. Realised right before he said it that of *COURSE* he would be busting out his Chromyl Chloride and this wasn't exactly going to be super-practical. Interesting stuff, though.



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[*] posted on 13-6-2023 at 10:38


I wonder if I should try what NileRed is doing, I have all the reagents and I seems easy.

Edit: I'm also kinda low on ideas for stuff to do, If anyone has any ideas it would be greatly appreciated.

[Edited on 13-6-2023 by Raid]
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Herr Haber
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[*] posted on 13-6-2023 at 11:06


Quote: Originally posted by Raid  
I wonder if I should try what NileRed is doing


You can probably skip the "drink my own pee" step :)
That being said, I liked the last video a lot. It felt more like his older content: less drama /acting, more chemistry.




The spirit of adventure was upon me. Having nitric acid and copper, I had only to learn what the words 'act upon' meant. - Ira Remsen
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[*] posted on 15-6-2023 at 22:29


Quote: Originally posted by Raid  
I wonder if I should try what NileRed is doing, I have all the reagents and I seems easy.


Instead of doing etard for benzaldehyde, maybe do the Sommelet reaction lol since it’s much cleaner and uses less carcinogens :P
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[*] posted on 2-2-2025 at 20:28


Just thought id mention, i have had success using manganous ammonium alum from the electrolysis of manganese ammonium sulfate, more or less prepared according to the patent on, oxidation of alcoholic chocolates, i think? either way its not difficult at all, its a simple double salt that precipitates easily and can then be recharged endlessly by electrolysis using lead electrodes.

Its a PITA to handle though. when electrolyzed, it essentially condenses, as these massive molecules, which is probably why its not able to over-oxidize alcohols unless in a very dilute solution. Anyway, it precipitates and becomes difficult to stir, then you would add your alcohol, in my case toluene, heat it to a reflux temp and, pretty much just do that until it changes from its beautiful purple to its inactive cream color. upon reacting much but not all of it, dissolves into solution again.
the messy part is this, you now have an acidic sludge that you need to do a solvent extraction from to get your aldehyde. and due to the massive molecular weight, you need about a liter of sludge for about 30ml of product. its advised to just steam distill anything out, and make the reactor one you could steam distill out of, while also performing the electro-regeneration in. otherwise you need a neutral solvent to pull most of the product out with and just deal with having to do loads of distillation.

i forget where, it might be these forums, but a potassium double salt (no its not potassium permanganate XD) was discovered as well that could do the oxidation with far less heating, allowing for much lower BP alcohols to be oxidized.
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