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 isotopes2815281520281520Chapter 28Copy pagePotassium hydroxide (caustic potash)DescriptionSodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium : Potassium hydroxide (caustic potash)Was this page helpful?YesNoPrevious281512In aqueous solution (soda lye or liquid soda)NextPeroxides of sodium or potassium281530