... °C,decomposed into NaNO2,and O2,At higher temperature, to form O2,N2,NO,NO2,etc.This product is oxidant.Burn ... 25kgs net in pp/pe bag .There is amark for dangerous materials on outer bag.Cautions: Do not expose to sunlight ... ,sugar,wood flour,acid and other combustible substances.UN Number of dangerous goods:1498 Sodium Nitrate