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Calcium chromate is an inorganic compound with the formula CaCrO4, i.e. the chromate salt of calcium. It is a bright yellow solid which is normally found in the dihydrate form CaCrO4·2H2O. A very rare anhydrous mineral form exists in nature, which is known as chromatite.
The compound is occasionally used as a pigment, but this usage is limited due to the very toxic and carcinogenic nature of haxavalent chromium compounds such as chromate salts.
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