Potassium chlorate is a compound containing potassium, chlorine and oxygen atoms, with the molecular formula KClO 3. In its pure form, it is a white crystalline substance. It is the most common chlorate in industrial use. It is used.
Bluing agents are the result of a simple chemical process. The main ingredient in bluing agent is a finely powdered iron that appears to be a very bright blue. This iron powder is colloquially referred to as Prussian blue, and formally called ferric hexacyanoferrate.
Laundry bluing is a product used to wash white fabric items that have become slightly off-white over time. The blue dye in the product gives fabric the appearance of regaining a pure white color.