Para-chlorobenzoic acid is an aromatic carboxylic acid with the chemical formula C7H5ClO2. It features a chlorine atom attached to the para position of the benzene ring, which influences its chemical properties. This compound is commonly used in organic synthesis and as a reagent in various chemical reactions. In addition to its synthetic applications, para-chlorobenzoic acid is also utilized in the production of pharmaceuticals and dyes. It can be found in some industrial processes and is important for creating other chemical compounds. Proper handling and safety measures are essential due to its potential irritant effects.