Ammonium Chloride, also known as Sal Ammoniac or Salmiak with formula NH4Cl comes in white-fine crystals; Soluble in water and glycerol; slightly soluble in alcohol.
Ammonium chloride is used as a flux in preparing metals to be tin coated, galvanized or soldered. It works as a flux by cleaning the surface of workpieces by reacting with the metal oxides at the surface to form a volatile metal chloride.
Ammonium chloride has many other applications as fertilizer, in food industries, in laboratories and many more.

Hazards: Moderately toxic by ingestion.

Common Uses: Dry batteries; mordant (dyeing and printing); soldering flux; manufacture of various ammonia compounds; fertilizer; pickling agent in zinc coating and tinning; electroplating; washing powders; bakery products.