Question

What is denatured alcohol?Its properties?

Answer 1

Denatured alcohol, also called methylated spirits or denatured rectified spirit, is ethanol that has additives to make it poisonous, bad tasting, foul smelling or nauseating, to discourage recreational consumption. In some cases it is also dyed.

Answer 2

Denatured alcohol that is intended for use as a fuel or solvent typically contains 5% or more methanol. Another term for this type of denatured alcohol is "methylated spirits." Methanol is flammable and has a boiling point close to that of ethanol.