Ammonium fluoride is used for etching and frosting of glass, preservation of food and in woods, in printing textile, and as mothproofing agent. It is used in chemical analysis and as an antiseptic in brewing beer. It has also been used in commercial uses like, building materials, printing and dying textiles and in semiconductors. It has also been used in site-limited use as a surface treatment (for metal and non-metal surfaces), and as an intermediate in manufacturing. Specifications Appearance: White Needle Crystal Purity: 96.0% Min (NH4)2SiF6: 0.6% Max SO4: 0.1% Max Ignition Residue: 0.2% Max Chloride: 0.05% Max Silicate: 0.2% Max Iron: 0.02% Max Heavy Metal (as Pb): 0.02% Max Packing 55.12 LB Bag, 28/29 bags per pallet DOT Transportation Shipping Name: Ammonium Fluoride Hazard Class: 6.1 UN Number: 2505 Packing Group: III