Yttrium perchlorateYttrium perchlorate is the inorganic compound with the chemical formula. The compound is an yttrium salt of perchloric acid.SynthesisDissolving yttrium oxide in perchloric acid solution can produce yttrium perchlorate octahydrate.Chemical propertiesPotentially explosive.Physical propertiesThe compound is soluble in water and forms a hexahydrate with the formula •6.