The additives, though... any methanol for sale should - in my opinion, that is - have additives to make sure no one in their right minds would ever want to drink it. As nasty tasting as you can make it. Possibly something to make you throw up as well.
"Denatured Alcohol" is
non less poisonous ethanol with about 10 percent methanol added to make it
un less drinkable. That way it can be sold as a solvent without being subject to the excise taxes that apply to liquor. Ironically, ethanol is an antidote for methanol poisoning.
No idea if you can tell the a difference by taste. I do know that you don't want to get a lungful of hot methanol fumes.