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 isotopes2835283529283529Chapter 28Copy pageOtherDescriptionPhosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined : Phosphates : OtherWas this page helpful?YesNoPrevious283526Other phosphates of calciumNextSodium triphosphate (sodium tripolyphosphate)283531