Make the smart choice when transporting ammonium nitrate with Labelmaster's UN 1942 Oxidizer Placards. Pre-printed with the four-digit UN Number, these DOT placards are what you need for shipping Ammonium Nitrate and meeting the requirements of 49 CFR 172.500 for domestic and international shipments of hazardous materials by highway, rail and water. Using UV inks that retard peeling, chipping and fading, they are printed on E-Z Removable Vinyl that can be removed with little or no residue remaining on the surface, and is perfect for both long-term and short-term shipping needs. Yellow and black, these Hazard Class 5 placards 273 x 273mm and are sold in packs of 25 or cases of 900.