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 isotopes2804280470280470Chapter 28Copy pagePhosphorusDescriptionHydrogen, rare gases and other non-metals : PhosphorusWas this page helpful?YesNoPrevious280469OtherNextArsenic280480