H₃AsO₄, known as arsenic acid, is a chemical compound composed of arsenic, oxygen, and hydrogen. It appears as a colorless, odorless liquid and is classified as a strong acid. Arsenic acid is often used in various industrial applications, including the production of herbicides and insecticides, as well as in the manufacturing of glass and pigments. In terms of safety, arsenic acid is toxic and can pose health risks if ingested or inhaled. It is important to handle this compound with care, following proper safety protocols to avoid exposure. Its chemical structure includes three hydrogen atoms, one arsenic atom, and four oxygen atoms, making it a significant compound in chemistry and industry.