It is used in textile printing and dyeing, as a disinfectant, in manufacturing of aniline black and other dyes. It can be utilized as a source of oxygen and also used in pyrotechnics and chemistry demonstrations. Potassium chlorate is useful for the flowering of dimocarpus longan and is a highly effective method for off-season fruit production. Potassium chlorate-osmium tetroxide oxidizing system has a useful application for the synthesis of alpha-dicarbonyl derivatives of acetylenic compounds and 2,3-dihydroxy-1,4-dione from a 2,5-dialkylfuran.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.