Hydroiodic Acid is a strong acid formed when iodine dissolves in water. Its chemical formula is HI, indicating it consists of hydrogen and iodine. This colorless liquid is highly corrosive and can release harmful fumes, making it important to handle it with care in a well-ventilated area. In laboratories, hydroiodic acid is often used as a reagent in organic synthesis and to produce iodine compounds. It can also be utilized in the production of iodine and iodide salts. Due to its strong acidic nature, it can react vigorously with bases and other substances.