Used as an anticaking agent in road salt and table salt to prevent clumping by absorbing moisture and keeping the particles free-flowing. Also employed in the production of pigments, particularly Prussian blue, which is used in paints, inks, and dyes. Plays a role in analytical chemistry as a reagent for detecting the presence of certain metal ions like zinc and copper. Additionally, utilized in some electroplating processes to stabilize metal ions in solution and improve coating quality.