What is the Difference Between Malonic Acid and Succinic Acid?

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Malonic acid and succinic acid are both dicarboxylic acids, meaning they contain two carboxylic acid functional groups per molecule. The key difference between the two lies in the number of carbon atoms between the carboxylic acid groups:

  • Malonic Acid: Has one carbon atom between the two carboxylic acid groups.
  • Succinic Acid: Has two carbon atoms between the two carboxylic acid groups.

This structural difference results in distinct chemical properties and commercial applications for each acid.

Comparative Table: Malonic Acid vs Succinic Acid

Malonic acid and succinic acid are both dicarboxylic acids, meaning they contain two carboxylic acid functional groups per molecule. Here is a table highlighting the differences between malonic acid and succinic acid:

Property Malonic Acid Succinic Acid
Chemical Formula C3H4O4 (CH2)2(COOH)2
Carboxylic Acid Groups Separated by a single methylene group Separated by two carbon atoms
Number of Carbon Atoms 3 4
Production Routes Not mentioned Hydrogenation of maleic acid, oxidation of 1,4-butanediol, carbonylation of ethylene glycol, or from butane and maleic anhydride
Historical Source Not mentioned Distillation of amber to produce amber spirit

The key difference between malonic acid and succinic acid is the number of carbon atoms between the two carboxylic acid groups. Malonic acid has one carbon atom between the carboxylic acid groups, while succinic acid has two carbon atoms between the carboxylic acid groups.