Dangerous Lab, the safest place on the internet! Hosted by an untrained chemistry enthusiast who identifies as a chemist. Creating exciting experiments and how-to videos all about chemistry.
Disclaimer: Any experiments or demonstrations performed in this channel might be dangerous and are performed by professionals in a controlled environment for educational purposes and scientific research, please do not try these at home. I do not hold responsibility should you choose to recreate anything and hurt yourself or others.
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Interesting suggestions! But first I will have to figure out how to handle high heat in my lab, it is not so feasible with my current setup, so probably need some more time before I can make it, will definitely try though!
I’ve noticed a drying powder added to the ‘cotton’ that comes inside your aspirin bottle, and I would like to know what it is. Maybe it says on the label?
I am not aware that there is drying powder being added to the cotton in aspirin bottle, the cotton is usually there to prevent pills being shaken excessively during transport, I suspect the powder you saw might be some binder of the pills stuck onto it.
Your editing is phenomenal, and your setup is spotless unlike mine 😅, liked and subscribed. Btw I’m doing this rn, however mine contains 95% ethanol, and a few point percent of denatonium benzoate and methyl isobutyl ketone. Great video !
Thanks for your compliment, I did cleaning between shots as I have OCD, my usual setup for testing wasn't as clean though. I make ethanol from cooking wine specifically because I found my denatured ethanol has too much unwanted impurities in it that could affect my reaction.
@@DangerousLab Kinda wish i had OCD now so my lab would be clean , Using cooking wine is smart, just stopped the distillation due to the small amount of ketone probably coming over, in total around 3ml in 900ml of liquid so hard to keep them separated during distillation, should've realised earlier. Have to figure out other routes now... Reason I want to try this is that denatured ethanol is so cheap in abundance, I can get litres for a mere 10 dollars.
I did not check the melting point after the recrystallization as the original source was already lab grade, this experiment is more the demonstration side of the recrystallization techniques and the difference between alpha and beta sulfur. I usually only check for melting point for synthesized compounds with questionable purity.
If you just need "hot" and don't need precise control, note that the "self-clean" function on most kitchen ovens goes to about 500C. Defeating the door interlock is not particularly recommended since opening the door at those temperatures comes with a whole host of hazards.
@@DangerousLab Indeed. Since none of my uses for it involve mixing it into solutions I just throw a couple steel cans of it into the oven whenever I'm running it through a cleaning cycle and don't worry overly much about the contamination. Do be sure not to overfill them though since, at that kind of temperature, the water comes out fast enough to cause a fair amount of spattering if you do.
Cooking wine is actually kind of "dirty". It's full of congeners, some of which also form azeotropes. I strongly recommend using a double Vigreaux column to make temperature fractions as sharp as possible. The heads will contain crap like methanol and ethanal. The tails will contain higher alcohols and their azeotropes. If purity is a serious concern, I would carefully redistill the hearts before further processing. Great video! 💯
Thanks for the input, congeners are definitely something I should take into account but unfortunately MSDS are not available for cooking wine. For getting higher purity ethanol, I also would recommend doubling the length for the fractionating column to allow precise control, although you might not want to do it inside a fumehood (It shouldn't fit).
Oh ya sorry, I forgot to include that book, I should have included it too in the reference. I will update it after I get back to my lab, but that book is pretty old though, I will probably include a few more recommendations as well for your info.
I have added 2 books to the reference section, the one shown in the video is "Practical Skills in Chemistry". My production cycle is a bit long, so next video probably take 2 months, hope to see you there!
The cost calculation needs your working time as well, considering that the procedure takes several hours to a full day at least, so that's the biggest factor
That's total true. Indeed, the biggest limiting factor for me is the time and lab space it occupied, I can only run a single distillation at a time, I will also account for this in any future videos regarding cost calculation.
⬇ Join My Discord Server ⬇ discord.gg/NGuTzgTqRb Quick update: Production speed increased a lot, but it still needs and will continue to improve. The video pacing might be too fast and overwhelming, I will probably adjust it to a slower pace in the next video.
