Is methanol soluble in water?


Quick Answer

Methanol is completely soluble in water, and it is the most soluble of any alcohol. Methanol is the smallest alcohol in terms of number of atoms, with a chemical formula of CH3OH.

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Full Answer

Alcohols are a type of chemical group that consist of a carbon chain and a hydroxide group, OH, on the end. Water readily dissolves polar molecules, which means it interacts highly with the hydroxide group. Since methanol is such a short molecule, water has no trouble dissolving it. As alcohols get longer, the hydroxide group becomes a proportionally smaller part of each molecule. This is why alcohols become less soluble until they become immiscible, as the carbon chain is not a polar component.

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