Acetic anhydride is a widely used organic compound in different industries because of its unique properties. However, there are also other synonyms for this chemical such as ethanoic anhydride, acetyl anhydride, and acetic oxide. These synonyms are often used interchangeably in chemical and scientific studies. Other synonyms for this compound are acetic acid anhydride, vinegar anhydride, and acetyl oxide. Although they have different names, they all refer to the same substance that is known for its role as a reagent and catalyst in various chemical reactions such as the production of cellulose acetate and aspirin. Knowing these synonyms is essential in understanding the different applications and uses of acetic anhydride.