Arsenic pentoxide is a chemical compound with the formula As2O5. It appears as a white, crystalline solid and is primarily used in the production of glass and ceramics. This compound is also utilized in the synthesis of various arsenic-containing chemicals and as a dehydrating agent in organic chemistry. In nature, arsenic pentoxide can be formed from the oxidation of arsenic compounds. It is important to handle this substance with care, as arsenic and its compounds are toxic and can pose health risks. Proper safety measures should be taken when working with or around arsenic pentoxide.