Bindone is an organic compound with the formula C<sub>6</sub>H<sub>4</sub>COCH<sub>2</sub>C=C(CO)<sub>2</sub>C<sub>6</sub>H<sub>4</sub>. A yellowish solid, it is classified as an aromatic triketone.
Bindone has been used for the detection of primary amines. It turns violet in their presence. Aromatic amines turn this reagent blue.
Bindone can be prepared by the condensation of two equivalents of 1,3-indandione. When the condensation is conducted in a solution of pyridine, triindone and other products are also observed.