Zinc chloride is a chemical compound with the formula ZnCl2. It is a white hygroscopic solid that is soluble in water and alcohol. Zinc chloride is a Lewis acid and a strong oxidizing agent.
Here are some of the important uses of zinc chloride:
- Textile processing: Zinc chloride is used in the production of rayon and other fibers. It is also used as a mordant to fix dyes to fabrics.
- Metallurgical fluxes: Zinc chloride is used as a flux in soldering and brazing operations. It helps to remove oxides from the surfaces of metals, which allows for a stronger bond.
- Chemical synthesis: Zinc chloride is used as a Lewis acid catalyst in a variety of organic reactions. It is also used as a precursor to other zinc compounds.
- Wood preservation: Zinc chloride is used as a wood preservative to prevent rot and decay.
- Batteries: Zinc chloride is used as an electrolyte in some dry cell batteries.
- Medicine: Zinc chloride is used as a dietary supplement and a topical antiseptic.
