Chromate compounds are chemical compounds that contain the chromate ion, CrO4^2-. They are typically formed from the element chromium in its +6 oxidation state. These compounds are often bright yellow in color and are used in various applications, including pigments, corrosion inhibitors, and in the production of glass and ceramics. However, chromate compounds can be toxic and pose environmental hazards. They are known carcinogens and can cause serious health issues if ingested or inhaled. Due to their potential dangers, regulations have been established to limit their use and ensure safe handling in industrial settings.