An oily, acid, poisonous liquid occurring in imperfectly
distilled alcoholic products and consisting chiefly
of amyl alcohols.
It is a mixture of high-molecular weight
alcohols containing also esters and fatty acids, sometimes
formed as a toxic impurity in the distillation products
of alcoholic fermentation. Small amounts contribute
to the characteristic flavor of a whiskey.
It is used
as a source of higher alcohols and in making paints