Very Toxic. 😂😂😂I worked in a factory full of Mercury. And it was full of it and no one died or get seek of mercury. Who made it toxic??😅😅😂😂 We have it in our tooth

So, how much of these compounds would have to be mixed to create a dangerous buildup in a room? Need to know for safety.

It has been 9 years. Is this person still alive, after so much mercury poisoning?

Gorgeous work!

the peak of yellow chem

please come back

What is the NORMALITY and MOLARITY of the AMONUM SULFATE soln ???

i hate the smell of toluene so much

I wonder if doug has been released from prison yet ...

All of this will be over soon due to the fascist joe bidens overbearing policy. Just because a few children die a year (whatever) doesn't mean that we can impinge on my rights to extract organic salts in my backyard

What I've learned is to have as few hot glass joints as possible, because they leak sulfuric acid vapors everywhere. I'm now using a 1L flask in a heating mantle with a single piece glass tube arch. That's one hot joint, and believe me it makes a difference

Can I use carbonated water instead Na2CO3?

One very easy way to make it is fine steel wool in a strongly heated quartz heater tube or borosilicate tube. The ketene generated is in a large amount so be careful.

is there a protocol for this reaction?

Just saw this in my recommended feed, and almost gasped because a new vid from Doug dropped. The disappointment is bitter😔

Hello brother. Thanks for the information, very appreciated. Just wanted to share a small tip to make your job easier with that. Just pop a baking paper sheet on then pour the Epsom salt on to that. Makes the whole thing easier and you can use glass or anything that wil go in the oven safely.

Oh, but why wasn't nickel(II) chloride available for you? I remember my local chemical vendor selling a very old bottle of nickel(II) chloride at quite a loss. Usually it's about $18 dollars converted from my currency, but she sold it at, I remember, $9-$10 for 500g

Why not use NaOH instead of NaCO3? You get copper hydroxide, which serves the purpose of making "instant copper salts", but does not liberate CO2.

Wouldn't plaster of Paris (calcium sulfate anahydrous) remove the water better?

So before turning on the filament / heating element, you can be assured that there is no more oxygen in the lamp (or at least not enough for an ignition event) just by the flowing acetone vapor? That part scares me more than the muffkin' ketene as I can shield myself from the ketene gas with a proper vent hood and respirator, but an exploding ketene lamp is harder to shield from. For educational purposes only; m0rphin3 is bad enough WITHOUT being tampered with.

that last reaction looks interesting... 👀

hi Doug when are you back? your channel is the best here and we need you. what are you up to?

When are you coming back buddy

⚠️fume hood & safety shielding required⚠️ Upon what basis do you state your claim of 98% purity? Also... your lab is a MESS; have some self-respect; clean it up; that is, if you're still in the land of the living after 6 yrs of engaging in such risky, undisciplined amateur chemistry. Only in America 🙄

Serious question: If super hot h2so4 is so dangerous, why are there no videos of the vacuum distillation of h2so4? Wouldn't that allow for better control of the temperatures? As, if there was a glass failure, the pressure would instantly increase, and boiling would stop.. seems safer. Before saying the gasses would eat your vacuum pump, what about a cold trap with liquid nitrogen innit or even dry ice and isopropyl? Also, why is nobody using a bump trap?

If you want to cut through the steel plate, you will have to burn the thermite directly on it. You're supposed to use the reaction itself to cut the steel, not just the (admittedly very hot) product. Iron melts way lower than steel.

Let’s go Doug ! Chemistry doesn’t wait for nobody !

The only high yeild hydrazine sulfate path is Hydrazine Hydrate + H2SO4... :) If you can buy 85% Hyrdazing Hydrate, that is....

I picked up a niced vacuum oven at a surplus place - someone had been using it ti degas epoxy, and run resin all over the racks and floor. I used LN2 to embrittle the epoxy and broike off all the resin, then sand blasted to get the lassdt dregs and presto - nonm-ruijed vacuum onen.

What’s the original dark green filtrate consist of? Is it toxic to dispose of? Any chromium?

HCE Makes a wonderful chlorine donor for blue pyrotechnics containing copper. You only use a few 1/10's of a percent in the mix. See Skylighter, "blue fire"

DOug, the amber color is caused by elemental carbon, from destruction of misc organic material in rasw acid. At distillation temps, the sulfuric acid ociDOZES IT TO CO + CO2> Yverified by exhaust gas analysys). If the acid lkooks -really- bad, a very small (mg) addiion og persulfaye will clean it up faster.

Consider that as yoy distill off methanol, the sulfuric acid is still in the mixture helping equlibrium along. As you distill off methanol, methyl salicylate comes apart and your collected methanol comes right out of your yield..n Better to use a nbig old beaker and sodium bicarbonate, then dump the reaction mixture *quench( into toe bicarbonate. Then there is no acid catalysed equlibrium and bicarbonate is not basic enoiugh to promote alkaine hydrpylsis. I've used this reaction many times in a basic organic lab at UTSA.

Also, methyl salicylate will steam distill quite nicelt.

A method to make DCM rather than extract it would be nice as DCM now is banned in all things in the hardware store.

I tried removing ink from a shirt using this but did not work at all

Jail time. This world is up side down🎉

why is ethylene glycol worth $1 a litre one place, and $100 litre another place. it pisses me off about the world.

Back ground sound is annoying

I just wanted to thank you for being an inspiration to me, I am three weeks away from graduating with a bachelor's in chemistry, and I will be starting grad school this August, I started watching you all the way back in middle school, it sad you have not continued to upload, but none the less thanks for your videos!

Wouldn’t nitric acid + alkyl-OH (all chilled and w ice bath) achieve the same end? I have some references on old ways to make ethyl nitrite and several of them go that route then distill into cold ethanol.

Is it possible to get Acetyl nitrite with this method?

Hi Doug, great video. Can you speak to the type of containers you use to store nitric acid? Is it necessary to go out and buy PTFE/Teflon containers or is any borosilicate glass container ok with a screw top lid?

amigo como esta soy de Venezuela yo quisiera elaborar en el laboratorio el producto Diclorometano qué productos se debe utilizar y en que proporción.

1:00 no worries even though I like doing dangerous stuff I'm really not planning on attempting this (especially with my chemistry lab being my kitchen at the moment), but I find the "ppm" unit absolutely non intuitive. I have no idea what "1 ppm" represents in practice. I know it is very little but how much so? I guess the point I'm trying to make is that I think it could be useful to express these thresholds in a way we can relate to, like (just an example, dunno if it is the correct order of magnitude at all) "this is the equivalent of 1ml uniformly spread inside of a football stadium" or something like that. Imho it would help convey the danger level better cuz I'm not sure if many people have an intuitive representation of what "1 ppm" is. I know I don't.

Inspired by your video I decided to attempt my own. I mistakenly followed them too well because I chose a different gas and your design is for Natural Gas. I discovered that if you're attempting to do this with Propane, your hole needs to be significantly smaller than 1/8th of an inch.

Yeah this changed ages ago…..

0:37 forbidden goat cheese

That's one noisy aspirator.

would you add anything to it to stabilize it against forming phosgene?