Zinc chloride anhydrous has numerous applications across various industries. Some of its common uses include:

1. Catalyst: Zinc chloride anhydrous is utilized as a catalyst in numerous chemical reactions, such as in the production of ethyl acetate, methyl methacrylate, and vinyl acetate.
2. Desiccant: It is an effective desiccant, meaning it can absorb moisture from gases and solvents. Zinc chloride is commonly used to dry organic solvents or remove water vapor from air and gases in industrial processes.
3. Flux: Zinc chloride anhydrous serves as a flux in soldering and welding applications. The addition of zinc chloride helps remove oxide coatings from metal surfaces, allowing for better adhesion of the solder or welding material.
4. Textile and Paper Industry: Zinc chloride anhydrous finds use in the textile and paper industries as a fire retardant and as a dyeing and printing agent.
5. Batteries: It is used as an electrolyte in certain types of batteries, such as zinc-carbon batteries. Zinc chloride anhydrous helps facilitate the flow of ions between the electrodes, enabling the battery to generate electrical energy.
6. Wood Preservation: It is employed in wood preservation treatments to protect against decay, insects, and fungal growth. The treatment helps extend the lifespan of wooden structures and products.
7. Chemical Synthesis: Zinc chloride anhydrous is used in various chemical synthesis processes, such as in the production of pharmaceuticals, pigments, and dyes.
8. Petroleum Industry: It finds application in the petroleum industry for oil well drilling and completion fluids, as well as in the production of gasoline and lubricants.
9. Laboratory Use: It is utilized in laboratories as a reagent or catalyst in chemical reactions, as a dehydrating agent, and in certain analytical techniques.

These are just a few examples of the broad range of applications of zinc chloride anhydrous in different industries, showcasing its versatility and importance in various chemical processes.