Butadienoic acid is a chemical compound with several synonyms that can be used interchangeably. One such synonym is divinylacetic acid, which refers to the presence of two vinyl groups in the molecule. Another synonym is 2-propenylacrylic acid, which denotes the specific arrangement of the double bonds in the compound. Other synonyms include 2-butenoic acid and crotonic acid, which are based on the structure and properties of the molecule. These synonyms are useful for scientists and researchers who work with this compound in various fields, including polymer chemistry, organic synthesis, and materials science.