Diazotization is a chemical process that involves converting a primary aromatic amine into a diazonium salt. This reaction typically occurs in an acidic environment, where the amine reacts with nitrous acid to form the diazonium compound. This step is crucial in organic chemistry, particularly in the synthesis of various aromatic compounds. The resulting diazonium salts are highly reactive and can undergo further reactions, such as azo coupling, to create azo dyes. These dyes are widely used in textiles and food coloring due to their vibrant colors. Overall, diazotization is an essential reaction in the field of organic synthesis.