To a non-chemist, isopropanol may be better known as 'rubbing alcohol.' Give it a whiff. See what we mean?
There's a long list of really great smells that are horribly bad for in some way or another. High on this list is gasoline and propylene glycol. Propylene glycol is better known as antifreeze, and apparently also tastes good, which is why so many wives are able to poison their husbands at dinner without the husbands realizing until it's too late.