HS CodesVI · Products of the chemical or allied industries28 · Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes2804280430280430Chapter 28Copy pageNitrogenDescriptionHydrogen, rare gases and other non-metals : NitrogenWas this page helpful?YesNoPrevious280429OtherNextOxygen280440