Barium chloride is a chemical compound with the formula BaCl2. It is a white, odorless salt that is highly soluble in water. Barium chloride is commonly used in various applications, including as a laboratory reagent and in the manufacturing of other barium compounds. It is important to handle this compound with care, as it can be toxic if ingested. In addition to its industrial uses, barium chloride is also utilized in the medical field for certain diagnostic procedures. For example, it can be used in barium swallow tests to help visualize the gastrointestinal tract during X-ray imaging. Proper safety measures should always be followed when working with this compound.