Malonic acid is a dicarboxylic acid with structure CH2(COOH)2. The ionized form of malonic acid, as well as its esters and salts, are known as malonates.Malonic acid is a naturally occurring substance found in many fruits and vegetables.
Malonic acid (MA), also known as propanedioic acid, is a dicarboxylic acid. The crystals of MA are triclinic at room temperature. The oxidation of malonic acid by cerium (IV) in sulfuric acid solution has been studied.