Denatured alcohol is also a key solvent used in a variety of printmaking endeavors because it dissolves the rosin used in aquatint and stop-out varnish.

It is also incredibly, incredibly nasty stuff. My etching professor claims that after cleaning up with it a lot back in graduate school she lost all sensation in her fingertips. I don’t know if this was just meant to scare us or was actually true, but in any case it made me treat the stuff with respect.