Grade 3 hydrofluoric (HF) acid burns of the fingertips.
Note how the nailbed and tip of the fingers have severely been injured, but the nails show no damage. An interesting thing about getting HF burns is that like other substances with low dissociation constants, it’s highly lipo-soluble, and can pass through the epidermis and dermis easily. This means that even if you wash it off immediately, it’s not all gone; some of it has already entered the contact site.
The nerve damage caused by HF may not be initially painful, but the delayed effects can cause serious and permanent damage. There’s also the problem that once it enters the bloodstream, HF interacts with blood calcium, and can cause cardiac arrest. Medical care is needed even if there’s no immediate reaction or it seems like “nothing happened.”

Grade 3 hydrofluoric (HF) acid burns of the fingertips.

Note how the nailbed and tip of the fingers have severely been injured, but the nails show no damage. An interesting thing about getting HF burns is that like other substances with low dissociation constants, it’s highly lipo-soluble, and can pass through the epidermis and dermis easily. This means that even if you wash it off immediately, it’s not all gone; some of it has already entered the contact site.

The nerve damage caused by HF may not be initially painful, but the delayed effects can cause serious and permanent damage. There’s also the problem that once it enters the bloodstream, HF interacts with blood calcium, and can cause cardiac arrest. Medical care is needed even if there’s no immediate reaction or it seems like “nothing happened.”

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    scariest motherfucking chemical ever happy halloween
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    and this is why I like telling nasty people to go bathe in HF.
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