Malonic acid is widely used in the production of barbiturates, which are compounds with sedative and hypnotic properties, making it valuable in the pharmaceutical industry. It also serves as a precursor in the synthesis of various fine chemicals, including vitamins and flavors. In agriculture, malonic acid is utilized as a growth regulator for plants, helping to enhance crop yields. Additionally, it is employed in the manufacturing of biodegradable polymers, contributing to environmentally friendly materials. Its chelating properties make it useful in metal finishing and electroplating processes. Furthermore, malonic acid is used in research and development as a building block for organic synthesis and in the study of metabolic pathways.