Zinc chloride is a chemical compound made up of zinc and chlorine, with the formula ZnCl2. It appears as a white crystalline solid and is highly soluble in water. This compound is commonly used in various applications, including as a flux in metalworking, in the production of textiles, and as a preservative for wood. In addition to its industrial uses, zinc chloride has applications in medicine and laboratories. It can serve as an antiseptic and is sometimes used in dental procedures. Due to its hygroscopic nature, it can absorb moisture from the air, making it useful in desiccants.