Ammonium chloride is widely used in various industries due to its versatile properties. In the pharmaceutical sector, it serves as an expectorant in cough medicines, helping to clear mucus from the respiratory tract. It is also employed in the manufacturing of dry cell batteries, where it acts as an electrolyte to facilitate the flow of ions. In the agricultural industry, it is used as a nitrogen source in fertilizers, promoting plant growth. Additionally, it finds application in the food industry as a dough conditioner and flavoring agent, particularly in salty licorice candies. In metallurgy, ammonium chloride is utilized as a flux in soldering and galvanizing processes to clean metal surfaces and improve adhesion. It also plays a role in the textile and leather industries, where it is used in dyeing and tanning processes. Furthermore, it is employed in laboratory settings as a buffer solution and in cooling baths for maintaining low temperatures during chemical reactions.