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 isotopes2804280410280410Chapter 28Copy pageHydrogenDescriptionHydrogen, rare gases and other non-metals : HydrogenWas this page helpful?YesNoPrevious280300Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)NextArgon280421