👉 A phthalic acid is a type of organic compound that consists of two groups of carbon atoms bonded to each other. It is one of the most important types of organic compounds, and its name comes from the fact that it resembles a small piece of wood or bark in appearance. Phthalic acids are used in a variety of applications including cosmetics, printing ink, plastics, and detergents. Phthalic acid can be synthesized through various chemical reactions, such as alkylation, est