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The biggest risk with acetone is the potential for a flash fire. It evaporates quickly and the vapors are highly flammable. It's a naturally occurring substance, and is even produced by the body. You'd basically have to inhale repeatedly directly from the can in order to see any serious irritation, and/or ingest so much of it that it would be quite obvious you were trying to do yourself in. Due to its high rate of evaporation, it can quickly dry out skin, but it's not harmful per se to have it contact your skin. So just be careful of fire, but don't worry; you don't have to use a hasmat suit with the stuff.
Exactly! I don't want to down play it much, but acetone is generally safe from a health standpoint. We have decades of human exposure experience.
When I'm using it (I'm a chemist) my only fear is of it flashing. The slightest ignition source will set it on fire -but- the flames don't last long - unless they travel back to the main container.
For copper, I've found xylene is superior to acetone. Most of the tar-like, organic residues found on cents dissolve much better in a non-polar solvent.....like dissolves like. Another advantage of xylene, it doesn't need anti-oxidants or stabilizers, so it's consistently free of anything that could damage metals. It's a simply hydrocarbon mixture.
To the OP....when ever I use acetone I use nitrile gloves and safety glasses in a well ventilated area....
You can usually get the blue nitrile gloves at any major hardware store, and if you size them correctly to your hands they are just like a second skin that makes dipping individual coins really easy.
Safety glasses/goggles are a must....
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