Used in fertilizers to provide nitrogen and chloride, essential nutrients for plant growth. Commonly applied in rice and wheat cultivation. Employed in the textile industry for dyeing and printing processes, acting as a mordant to fix dyes on fabrics. Utilized in the leather tanning industry to remove hair from hides and assist in pH control during processing. Serves as an electrolyte in dry cell batteries, particularly in zinc-carbon batteries, ensuring efficient ion transfer. Used in medicine as an expectorant in cough medicines to help loosen mucus in respiratory conditions. Applied in food industry as a dough conditioner and stabilizer in bread and baked goods. Used in cleaning agents and metal treatment processes, including soldering fluxes to clean metal surfaces before joining.