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 isotopes2815281530281530Chapter 28Copy pagePeroxides of sodium or potassiumDescriptionSodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium : Peroxides of sodium or potassiumWas this page helpful?YesNoPrevious281520Potassium hydroxide (caustic potash)NextHydroxide and peroxide of magnesium281610