The molecule is a monocarboxylic acid anion resulting from the dprotonation of the carboxy group of 4-(2,4-dichlorophenoxy)butanoic acid (2,4-DB). The major species at pH 7.3. It has a role as an agrochemical, a herbicide and a synthetic auxin. It is a conjugate base of a 2,4-DB.
4-(2,4-dichlorophenoxy)butanoate