Strontium peroxide is an inorganic compound with the chemical formula of SrO2. It is a white to grayish white crystalline powder, which decomposes in water, carbon dioxide, acid, etc. It is usually used as analytical reagent, oxidant, bleach, etc. It is widely used as household and industrial bleach, detergent and oxidant. It is also used as bleaching agent in paper making, textile and other industries, cleaning agent for public facilities, treatment agent for metal surface, disinfectant for medicine and odor remover. Food grade is mainly used for preparing milk preservative.