Diethyl DL-Malate is widely used as a solvent in various chemical reactions and processes, particularly in the synthesis of pharmaceuticals and organic compounds. Its ability to dissolve a range of substances makes it valuable in formulating coatings, adhesives, and inks. In the food industry, it serves as a flavoring agent, imparting a fruity aroma to products. Additionally, it is utilized in the production of plasticizers and as an intermediate in the manufacture of fine chemicals. Its ester properties also make it suitable for use in cosmetic formulations, where it acts as an emollient and skin-conditioning agent.