Barium chromate, named barium tetraoxochromate(VI) by the IUPAC, is a yellow sand like powder with the formula BaCrO₄. It is a known oxidizing agent and produces a green flame when heated, a result of the barium ions.

Application

A banana-color yellow pigment that is also called barium yellow. Barium chromate is precipitated from a Barium chloride solution by the addition of Potassium dichromate. Barium yellow is a fairly permanent pigment but it may turn green slowly in light.