Dicarboxylic acid

In a nutshell

In organic chemistry, a dicarboxylic acid is an organic compound containing two carboxyl groups (−COOH). The general molecular formula for dicarboxylic acids can be written as HO₂C−R−CO₂H, where R can be aliphatic or aromatic. In general, dicarboxylic acids show similar chemical behavior and reactivity to monocarboxylic acids. Dicarboxylic acids are usually colorless solids. A wide variety of dicarboxylic acids are used in industry. Adipic acid, for example, is a precursor to certain kinds of nylon. A wide variety of dicarboxylic acids are found in nature. Aspartic acid and glutamic acid are two amino acids found in all life. Succinic and fumaric acids are essential for metabolism. A large inventory of derivatives are known including many mono- and diesters, amides, etc.

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Partial list of saturated dicarboxylic acids

Some common or illustrative examples

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Partial list of saturated dicarboxylic acids

Unsaturated dicarboxylic acids

Substituted dicarboxylic acids

Aromatic dicarboxylic acids

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