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 isotopes2825282590282590Chapter 28Copy pageOtherDescriptionHydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides : OtherWas this page helpful?YesNoPrevious282580Antimony oxidesNextOf aluminium282612