In order to avoid paying beverage taxes on alcohol that is not meant to be consumed, the alcohol is usually "denatured", or treated with added chemicals to make it unpalatable. In many countries, sales of alcoholic beverages are heavily taxed for revenue and public health policy purposes (see Pigovian tax). ![]() For many of these solutions, it is intentionally difficult to separate the components. Rather, the ethanol is mixed with other chemicals to form a foul-tasting, often toxic, solution. ĭenaturing alcohol does not alter the ethanol molecule ( chemically or structurally), unlike denaturation in biochemistry. Other common additives include isopropyl alcohol, acetone, methyl ethyl ketone, and methyl isobutyl ketone. The main additive usually is 10% methanol (methyl alcohol), hence the name methylated spirits. Because of the diversity of industrial uses for denatured alcohol, hundreds of additives and denaturing methods have been used. ![]() Pyridine and methanol, each and together, make denatured alcohol poisonous and denatonium makes it bitter.ĭenatured alcohol is used as a solvent and as fuel for alcohol burners and camping stoves. It is sometimes dyed so that it can be identified visually. Ethanol with additives to discourage recreational consumptionġ US gallon or 3.785 litres of denatured alcohol in a metal containerĭenatured alcohol (called methyl hydrate in Canada methylated spirits, metho, or meths in Australia, Ireland, New Zealand, South Africa, and the United Kingdom wood spirit and denatured rectified spirit) is ethanol that has additives to make it poisonous, bad-tasting, foul-smelling, or nauseating to discourage its recreational consumption.
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