aldehyde etymology

Etymology

The term "aldehyde" is derived from the Latin words "alcohol dehydrogenatus," which means "alcohol that has been dehydrogenated."

Meaning

An aldehyde is an organic compound that contains a functional group known as the carbonyl group (C=O). The carbonyl group is composed of a carbon atom double-bonded to an oxygen atom. Aldehydes are characterized by the presence of a hydrogen atom attached to the carbon atom of the carbonyl group.

Origin

The concept of aldehydes was first introduced by the German chemist Justus von Liebig in 1835. Liebig recognized that aldehydes were formed as intermediate products in the oxidation of alcohols. He named them "aldehyde" to reflect their origin as "alcohol dehydrogenated."

Properties

Aldehydes are typically colorless, volatile liquids or solids. They have a characteristic pungent odor. Aldehydes are readily oxidized to carboxylic acids and reduced to alcohols. They are also reactive with nucleophiles, such as amines and hydrazines.

Uses

Aldehydes have a wide range of industrial and commercial uses. Some of the most common applications include:

• As intermediates in the synthesis of other organic compounds, such as plastics, dyes, and pharmaceuticals
• As solvents
• As reducing agents
• As fragrances and flavors

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