Paralactic acid, also known as 2-hydroxypropionic acid, is a colorless and odorless crystalline compound. It is widely used in various industries, including food and beverages, pharmaceuticals, and cosmetics. This versatile acid acts as a strong preservative in many products. Moreover, it is a crucial component in the synthesis of polyester resins and as an intermediate for polyurethane production. Synonyms for paralactic acid include lactonic acid, alpha-hydroxypropionic acid, and methylolacrylic acid. These alternative names are commonly used in scientific literature and technical discussions. Understanding these synonyms aids in effective communication and research in sectors that utilize paralactic acid as a vital chemical compound.