un2426 class 5.1 ammonium nitrate sign, , isolate on white background, label .eps10

ammonia nitrate ammonium 2426 acid agriculture iron atom background calcium carbonate chemical chromate cyanide danger dangerous dichromate education farming fertilizer formula hydrogen hydroxide icon industrial ion label laboratory magnesium material molecular nitrogen notice particle permanganate phosphorus physics potassium safety scientific set sodium solution structure substance sulfate sulfuric symbol un2426