Isopropyl alcohol is used in the production of acetone, isopropyl halides, glycerin, and aluminum isopropoxide; employed widely as an industrial solvent for paints, polishes, and insecticides; as an antiseptic (rubbing alcohol); and in organic synthesis for introducing the isopropyl or isopropoxy gr...
Denatured alcohol, of the type used in wood finishing and alcohol stoves, is ethanol that is denatured with compounds to make it undrinkable. The denaturing agent is often methanol but also sometimes something really nasty—check out the sds for this brand, for instance Jasco Rubbing alcohol...