Gasoline itself is not that bad for you. And it is not good for you in any way. It is a hydrocarbon and therefore a fuel and nothing else. This would be natural gasoline I am talking about, also known as drip gas or condensate.
It is also about 35 octane so it can't even be used in a lawnmower. It will power a very low compression engine. But even a Ford Model T will knock when run on just drip gas.
The gasoline we use is a blend of over one hundred chemicals, one of which is Xylene. This is nasty stuff and will leave a terrible burn on you due to it's ability to break apart carbon bonds. It is used in third world countries to disinfect surgical tools as nothing carbon based can survive exposure to pure xylene.
And it is also the main thing in a lot of heavy duty fuel injection cleaners. If you have a carbon build up in your fuel system this stuff will wash it out in a hurry.
Commercial gasoline feels cool to the touch due to it's tendency to evaporate quickly. This is due to the low vapor pressure of the butanes in it. At 7 psi it starts to vapor out, so gas left standing for months or years goes bad due to the loss of the higher ends. The higher ends give it the octane boost it needs to power a modern engine.
Diesel will clean things but I don't know if it kills germs. It tends to grow fungus which gives it a milky color after it sits for a few years. It also absorbs water vapor from the air which can, under pressure, settle out and be separated from the diesel.
If you need something to clean off grease the best thing I have found is EZ Off BBQ grill cleaner. It eats it right off. I have never left it on my hands long enough to know if it would eat them or not.
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