ammonium chloride

Main Applications: Batteries – used as an electrolyte (NH₄Cl paste) in zinc–carbon dry cell batteries, Adhesives / Wood Industry – used as a curing agent in urea-formaldehyde resin adhesives for plywood and particle board (enables bonding at lower temperatures), Agriculture – used as a fertilizer and feed additive (source of nitrogen and chloride for crops and livestock), Food / Confectionery – used as a food additive (E510) in salty liquorice ("Salmiak"), especially in Nordic and Dutch sweets, Pharmaceuticals – used as an expectorant in cough medicine, Metal Processing – used as a flux in preparing metals to be tin coated, galvanized or soldered (removes oxide layers).