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 isotopes2811281121281121Chapter 28Copy pageCarbon dioxideDescriptionOther inorganic acids and other inorganic oxygen compounds of non-metals : Other inorganic oxygen compounds of non-metals : Carbon dioxideWas this page helpful?YesNoPrevious281119OtherNextSilicon dioxide281122