Arsenic acid is a chemical compound with the formula H3AsO4. It is a colorless, odorless liquid that is highly soluble in water. Arsenic acid is an oxoacid of arsenic and is known for its strong acidic properties. It is often used in various industrial applications, including the production of glass and as a reagent in chemical synthesis. In nature, arsenic acid can be found in some mineral deposits and is a product of the oxidation of arsenic compounds. Due to its toxicity, exposure to arsenic acid can pose serious health risks, making it important to handle it with care in laboratory and industrial settings.