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 isotopes2819281910281910Chapter 28Copy pageChromium trioxideDescriptionChromium oxides and hydroxides : Chromium trioxideWas this page helpful?YesNoPrevious281830Aluminium hydroxideNextOther281990