Used as a flux in soldering and metal surface treatment to remove oxides and prevent corrosion during the process. Commonly applied in the galvanizing industry and in the production of other zinc compounds. Employed as a catalyst in organic synthesis and in the manufacture of dyes and pigments. Utilized in the textile industry for fabric treatment and as a fireproofing agent for wood and paper products. Also found in some medical and dental formulations for its astringent and antiseptic properties.