Perchloric acid, 20% Cas 7601-90-3 - used as a precursor for ammonium perchlorate which is used in rocket fuel. It is useful for etching of liquid crystal displays, etching of chrome, ore extraction and in analytical chemistry. It is used as a strong oxidizer and as a solvent for metals and alloys.

Perchloric acid, GR 60% Cas 7601-90-3 - used for electropolishing or etching of aluminum, molybdenum, and other metals.

Perchloric acid, 0.1N in glacial acetic acid Cas 7601-90-3 - used as an etchant for certain metals.

Perchloric acid, GR 70%, trace metal analysis Cas 7601-90-3 - used for the determination of silica in iron and steel and in cement and other silicate materials. It is involved in the separation and determination of copper and other metals and alkali metals such as sodium and potassium.

Perchloric acid 70%, 99.999% trace metals basis Cas 7601-90-3 - used as a reagent for the preparation of fluorinated polymer electrolytes using poly (vinylidenefluoride-cohexafluoropropylene) (PVDF-HFP) for fuel cell applications.

Perchloric acid GR 70% Cas 7601-90-3 - used to electro-polish aluminium furniture.