Dithioacetic acid, also known as dithiacetic acid, is a sulfur-containing organic compound that belongs to the family of carboxylic acids. Synonyms for this chemical include bis(mercaptomethyl)acetic acid, dimercaptomethylacetic acid, and 2,2'-dithiodiacetic acid. Dithioacetic acid is commonly used as a reagent in the preparation of thioester derivatives of carboxylic acids and amino acids. It is also used as a cross-linking agent in polymer chemistry and as a corrosion inhibitor in the petroleum industry. Understanding the various synonyms for dithioacetic acid can be useful for researchers working with this chemical in different fields.