Solution

Methylated spirits also known as Denatured alcohol or wood spirit or denatured rectified spirit, contains 9090 alcohol, 99 methanol and pyridine, etc. The additives in ethanol make it poisonous, bad-smelling, nauseating to discourage the consumption of alcohol. To avoid the high tax and regulations on drinking alcohol, denatured alcohol was formed for industrial, disinfecting, and non-drinking uses.

Methylated spirits are used as fuel for an alcohol burner and as a solvent in the chemical reactions, paints, and varnish industries. Denatured alcohol is also used to disinfectant, sterilize medical equipment, as a window cleaner, and there are many more uses.