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5 of the World's Most Dangerous Chemicals

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They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in the world. Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://pipeline.corante.com/archives/things_i_wont_work_with/ http://web.archive.org/web/20060318221608/http://www.airproducts.com/nr/rdonlyres/8479ed55-2170-4651-a3d4-223b2957a9f3/0/safetygram39.pdf http://www.bunkertours.co.uk/germany_2004.htm http://onlinelibrary.wiley.com/doi/10.1002/anie.201100300/abstract http://www2.chemistry.msu.edu/courses/CEM958/10-11/talks/Spahlinger.pdf http://www.atsdr.cdc.gov/csem/csem.asp?csem=6&po=12 http://books.google.com.au/books?id=MSDOAAAAMAAJ&pg=RA3-PA6&lpg=RA3-PA6&dq=smell+thioacetone&source=bl&ots=X0UH-GWpAa&sig=5wmkE-x9ZTWlWq5mCb6aQ9Argvw&hl=en&ei=14IoSoXQAtuptgeX0-jWBQ&sa=X&oi=book_result&ct=result&redir_esc=y http://www.ebah.com.br/content/ABAAAe2O8AA/clayden-greeves-organic-chemistry https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Thiol.html http://webbook.nist.gov/cgi/cbook.cgi?ID=C4756052&Mask=8 http://www.psc.edu/science/Klein2000/getting_jump_on_superacids.pdf http://www.realclearscience.com/blog/2013/08/the-worlds-strongest-acids.html http://science.howstuffworks.com/acid-info.htm http://pipeline.corante.com/archives/2013/01/09/things_i_wont_work_with_azidoazide_azides_more_or_less.php http://onlinelibrary.wiley.com/doi/10.1002/anie.201100300/abstract http://web.archive.org/web/20060318221608/http://www.airproducts.com/nr/rdonlyres/8479ed55-2170-4651-a3d4-223b2957a9f3/0/safetygram39.pdf http://www.purdue.edu/ehps/rem/hmm/pyro.htm
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Text Comments (8160)
jitterball (10 hours ago)
4:48 Hmm, pretty similar to how much effort is required to "trigger" a millennial girl with whole bunch of tattoos^^
Dylan Chester (1 day ago)
i want
Omega 3370 (1 day ago)
Germany you guys are nuts
itzTobi (1 day ago)
What is it with germans and these crazy substances
Viraaj Darbar (1 day ago)
This dude is really funny
joe schmoe (2 days ago)
The AA problem makes me wonder if it it'd be possible to put it in some sort of crystal or lattice like a version of molecular packing peanuts to isolate it so that even if some of it does detonate the effects can be isolated so the whole sample isn't ruined. But I guess explosive forces when you attempt to contain them usually only make the explosion more violent.
It'll kill you now, and later..... Ummm wut?
The Reasonitician (2 days ago)
So you basically remade "Things I won't work with"
Thats German Humor: Sonething blew up but nobody did anything? “Exiting...lol...“
4 Fingers (2 days ago)
One annoying geek!
mehdi karpov (3 days ago)
What about the corosive biles of the ravagers ?
Alejandro Gonzalez (4 days ago)
Dimethyl Cadmium. It has acute and chronic effects. Meaning it will kill you now...and later.
Mr. CU NT (4 days ago)
My wife gets totally debilitated when she smells my farts
Nukes for Dayz Nk (4 days ago)
Shadow Wolf (4 days ago)
Very interesting, kind of sad FOOF (dioxygen diflouride) hasn't been mentioned though
Comet Aura (5 days ago)
Max McCormick (5 days ago)
1. Chlorine pentafluoride is a stronger oxidizing agent. 2. Azidoazide azides are a class of anions, not a single compound. 3. Thiols are analogues of alcohols where the oxygen in the hydroxyl group is replaced with sulfur. Thioacetone is not a thiol because acetone is not an alcohol, it's a ketone. 4. Fluoroantimonic acid is far from the strongest superacid, it just happens to be the most commonly used one
SB \-_-/ (5 days ago)
Thanks for enlightening us all on the BIO-Weapons of RACISM WHITE SUPREMACY
Nicholas Jeffery (5 days ago)
Still watching this in 2018. Likely years to come.
Nicolas Broszky (5 days ago)
BIS(DIAZIDOMETHYLENE)-HYDRAZINE vs nitrogen triiodide. Explosion risk? It'll explode whenever it feels like exploding. Explosive properties? Well nitrogen triiodide wins because it has more brisance than AA. So all in all, I think you went wrong on that one or should include that one alongside with AA. Just an opinion.... There are other such explosives that will go off if you look at them wrong.
GalloViking (5 days ago)
1:45 I have a degree in chemistry and I totally agree.
Metalhammer1993 (5 days ago)
Azidoazid azid is btw the first link if you just type in "stuff i won´t work with" in google. read the article it´s a blast. no pun intended .you´ll laugh your ass off. even nonchemists will get a great laugfh out of this article
Andrea Park (6 days ago)
I poured Hydrochloric acid on my hands before... Need to go for Fluoantimonic Acid next
PennyAfNorberg (6 days ago)
ethanol acid is actully a strong acid...
J037 (7 days ago)
Why is it always Germany?
J4k7193R (7 days ago)
I love this video
Miranda (7 days ago)
I’ve seen this before but it makes me happy to watch a video about deadly things while slowly dying inside
John Carmel (8 days ago)
I got a car. With an app
Scott Anderson (8 days ago)
The most dangerous chemical in the world is a gorilla
Shane Hebert (8 days ago)
Favorite quote: It's MUCH more dangerous to handle than even fluorine gas, which as anyone with a degree in chemistry can tell you, is not a sentence that you get to say very often.
KhmerD0g (8 days ago)
Just freeze those damn chemical to low enough temperature and they might stabilize
Makozer (8 days ago)
it sounds like germans love funny chemistry :D
spectren4 (9 days ago)
so you're one shooz away from KABLAMO! I died hahaha
MrLewooz (9 days ago)
does that PROVE that we are barking mad???
Lee Fosbrooke (9 days ago)
All jokes “azide” it’s very dangerous
Ryuu Ainaki (10 days ago)
Does anyone else cring when they look at the molecule map of Azidoazide azide? If you know enough about chemistry, just looking at it is almost painful, because you can see just how unstable it is
Anodyne Melody (10 days ago)
I have azidoazide disorder, I will literally explode if someone so much as whispers something negative about me anywhere in the entire universe. I shouldn't have just shared that in the YouTube comments, please be nice!
Bret Territo (10 days ago)
Hilarious! I’m disappointed though that you keep misusing the word “toxic.” Not a single one of the nasties you mentioned are toxic. They are poisonous. Plutonium, arsenic, and strychnine are not toxic. Ricin is toxic. Botulism is toxic. Snake venom is toxic. A toxin is a poison produced by a living organism. See the difference?
Rachel Hydrogen (10 days ago)
he's having so much fun telling us all this :)
Sisist (12 days ago)
Turn a chemical description into zionest lies propaganda show kinda like Google , and media, Hollywood , federal Reserve , state department , CIA, miss anything ?
ohnhai (14 days ago)
Gah.. still love this video :)
Jake paul sucks (14 days ago)
I think he is a chlorine snorter
TAPriceCTR (14 days ago)
2000 skunks took offense to this video
Tyler Martin (14 days ago)
Chlorine trifluoride could have been Greek fire
erikk77 (16 days ago)
Some of these chemicals describe an extended family member of mine.
erikk77 (16 days ago)
"That heavy metal band was so great, they left the CONCRETE ON FIRE !!"
aiden lee (16 days ago)
The multi tool of chemical warfare: Chlorine trifluoride. It can burn, explode,and poison you at the same time.
Shiroi Oni (17 days ago)
Why do nerds all talk the same?
Peter Arnold (17 days ago)
I love the narration of this guy. This was a mixture of science and comedy.
Darcey Mussey (18 days ago)
An acid's strength is determined by how willing it is to give up protons.. Fluoroantimonic acid is almost as willing to give it up as your mom.
j j (18 days ago)
Subbed great content
GuyPercinn (18 days ago)
Petition to rename Azidoazide Azide to Explodium
Xu Sliema (19 days ago)
Where is Dihydrogen monoxide?That thing killed about 2 million people in 2008
Altrunchen (20 days ago)
Have a seat Germany, we need to talk.
Don Mega (20 days ago)
these chemicals makes even the deadly glyphosate of roundup look harmless.
Papers, Please (20 days ago)
*Number one, Jake paul. This chemical gives you cancer.*
A. guy (20 days ago)
german sthap
piet ruslim (21 days ago)
None of these compare to DHMO
Joshua Smith (22 days ago)
So what happens if you mix them all together
Koozomec (24 days ago)
I wonder what the futur generations will think of "our" obsession with the nazies.
Jeremy Allen (24 days ago)
It's almost as if AA is like Half-Life all over again... "Putting it into a spectrometer" "Turning on the spectrometer" **KABOOM**
Brian Mead (24 days ago)
Science once tried to isolate the core of Feminism. The end result was Azidoazide Azide.
thorjelly (25 days ago)
Dimethyl Cadmium is really nasty stuff, but it seems completely wrong to say it is the most toxic substance gram for gram. It's lethal dosage is measured in mg. Botulinum toxin's lethal dosage is measured in just a few ng. Dimethyl Cadmium is still for sure more dangerous, though.
Christopher Negan (26 days ago)
This guy legit looks like my chemistry teacher.
TinselKoala (27 days ago)
(5-azido-1H-tetrazol-1-yl)carbonimidic diazide
Markus Kruber (27 days ago)
AA = Average LoL player
Fire Site (28 days ago)
This is by farrrrr my favorite video.
ColumbineLegend 420 (28 days ago)
Thank god no multiple ads
Thomas Warren (28 days ago)
One of the funniest of your videos yet. Love the with and delivery. Maybe throw more sarcasm in more of the extreme lists? Just a thought...
kokokokoko88 (29 days ago)
Somehow this is comedy genious
Kyle Willard (29 days ago)
I’ve watched this video multiple times every year since it came out and I still love this episode
NuclearWolf (30 days ago)
I think that Azidoazide Azide is some sort of celestial compound... god just doesn’t want humans to possess it, so he just blows it up every time we make it...
Surux Strawde (30 days ago)
Dihydrogen monoxide is inside 90% of tap water in the US, it can eat away oxygen reactive metals, imagine what it can do to your lungs. *demonic laughing*
Pietro Tettamanti (30 days ago)
Back to when scishow was a good science channel.
adam (1 month ago)
the AA molecule is just hilarious... I don't know why but the idea that nothing could happen and it just explodes, just because. It's the ultimate example of Moore's law.. everything you do can and will get you killed... including nothing.
Adam T (1 month ago)
Chems Insult: You are more smelly then CH3SH3C
Adam T (1 month ago)
New Chems Insult: You are more fluorinating then ClF3 and ClF5 combined...
Adam T (1 month ago)
New Chems Insult: You are more fluorinating then ClF3 and ClF5 combined...
Adam T (1 month ago)
Azidoazide Azide: 1-Diazidocarbamoyl-5-azidotetrazole N3CN6C(N3)2
FBI OPEN UP (1 month ago)
The world's most dengerous chemical is my father's farts
Jai Carlson (1 month ago)
Dissapointed FOOF didn't make the list. Burns bricks and glass, detonates under it's own weight, and has been aptly described as "Satan's kimchi"
Jarno Datema (1 month ago)
#1 Should be vaccinations. No way i'm injecting my child that causes minor consequences for the health of my child so that it immune for the rest of it's diseases that can be easily prevented or otherwise lethal.
Ethan Hildebrand (1 month ago)
Are you John Green?
jpdemer5 (1 month ago)
ClF3 is pretty awesome - if you put water on the fire, the water will catch fire. Throw sand on it, and the sand catches fire. But then there's FOOF, which eats ClF3 for lunch. Google "things I won't work with" to find a hilarious writeup on it.
J. Hanna (1 month ago)
How about Nickel tetracarbonyl? It's nickname is literally liquid death. Seriously, type in Liquid death into Wikipedia.
ngflycloud (1 month ago)
if you want people to be cautious of these stuff, maybe try not to be so cheerful when talking about them...
Nabin Shrestha (1 month ago)
You wearing UNIQlO hoodie ;)
Fred Rolland (1 month ago)
blackkittyfreak (1 month ago)
If dimethyl cadmium is so poisonous in the short term, how do we even know it's carcinogenic? Isn't that contingent on the tumor having time to grow?
Awesome Elmo Kids Song (1 month ago)
Awesome Elmo Kids Song (1 month ago)
3:07 water
prakhar vyas (1 month ago)
best video ever
Leo Staley (1 month ago)
This is not 16 minutes old. He talks about subbable which is now patreon.
SindadTrans (1 month ago)
"The concrete was on fire!" haha
Craig Chib (1 month ago)
DJ OakeyDoakey (1 month ago)
So Azidoazide azide blows up over absolutely nothing. That's my new pet name for my gf!
Is the last one 106 stuff? Only scup people would know
Joey Cook (1 month ago)
I love that the top comment is exactly what 2300 people endeavoured to post - including me. Hank at his best rofl
Jehag2 (1 month ago)
:) http://blogs.sciencemag.org/pipeline/archives/2013/05/08/things_i_wont_work_with_dimethylcadmium

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