... 2.257,melting point 309.5°C,slightly deliquescent, soluble in water and glycerin,slightly soluble in alcohol,when heat at 380 ... 25kgs net in pp/pe bag .There is amark for dangerous materials on outer bag.Cautions: Do not expose to sunlight ... ,wood flour,acid and other combustible substances.UN Number of dangerous goods:1498 Manufacture---Sodium Nitrate(NaNO3)