Googling HF yields Hydrogen Fluoride.

Tarantula

Hanging around the web
Aug 31, 2017
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GTA
Do you guys ever google HF to get to HFboards and Hydrogen Fluoride comes up???
cool.
Hydrogen fluoride is a highly dangerous gas, forming corrosive and penetrating hydrofluoric acid upon contact with moisture. The gas can also cause blindness by rapid destruction of the corneas.


Sounds like some of the posters around here... :laugh:
 

TheGreenTBer

JAMES DOES IT NEED A WASHER YES OR NO
Apr 30, 2021
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I have worked with hydrofluoric acid (dissolved HF) in industry; I was a chemistry major in college but eventually switched fields. It's sobering to work with. Sulfuric acid? Easy, just keep it away from water or organic matter because it will literally suck the carbon or water out of everything it touches and water makes the burns FAR worse. Hydrochloric acid? Keep it in a fume hood because the smell is an irritant in concentrated form (though not as bad as anhydrous ammonia.) Nitric acid...that's more of a problem because it's an oxidizer but just be careful not to mix it with anything that can form explosive products. Strong bases? Same deal as sulfuric acid but on the other side of the pH scale.

Hydrofluoric acid? Well, if you get it on yourself it will literally eat you from the inside out due to it easily penetrating your skin, and unlike H2SO4 (which luckily burns on contact with skin, which immediately lets you know that something is wrong) solvated HF often causes no pain whatsoever upon contact with skin and you don't even notice the burns until later...by which time you might need to go to the hospital because it dissolves your bones and deadens your nerves.

It ain't no chlorine trifluoride or dimethylmercury (both of which are FAR worse) but it's dangerous and can easily kill you.
 

MetalheadPenguinsFan

Registered User
Sep 17, 2009
66,905
20,745
Canada
I have worked with hydrofluoric acid (dissolved HF) in industry; I was a chemistry major in college but eventually switched fields. It's sobering to work with. Sulfuric acid? Easy, just keep it away from water or organic matter because it will literally suck the carbon or water out of everything it touches and water makes the burns FAR worse. Hydrochloric acid? Keep it in a fume hood because the smell is an irritant in concentrated form (though not as bad as anhydrous ammonia.) Nitric acid...that's more of a problem because it's an oxidizer but just be careful not to mix it with anything that can form explosive products. Strong bases? Same deal as sulfuric acid but on the other side of the pH scale.

Hydrofluoric acid? Well, if you get it on yourself it will literally eat you from the inside out due to it easily penetrating your skin, and unlike H2SO4 (which luckily burns on contact with skin, which immediately lets you know that something is wrong) solvated HF often causes no pain whatsoever upon contact with skin and you don't even notice the burns until later...by which time you might need to go to the hospital because it dissolves your bones and deadens your nerves.

It ain't no chlorine trifluoride or dimethylmercury (both of which are FAR worse) but it's dangerous and can easily kill you.

Damn son….
 
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