Used as a corrosion-inhibiting pigment in coatings, especially in primers for metals like steel and aluminum. Commonly found in automotive and aerospace industries to protect against rust and degradation. Acts as an oxidizing agent in pyrotechnics, contributing to green-colored flames in fireworks and signal flares. Employed in the production of other chromate compounds and in some types of safety matches. Also utilized as a pigment in ceramics and glass for coloration. However, due to its chromate content, which is toxic and carcinogenic, its use is strictly regulated to prevent health and environmental hazards.