Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 35 Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined Commodity Code Description 28 35 10 - Phosphinates (hypophosphites) and phosphonates (phosphites) 28 35 22 - - Of mono-or disodium 28 35 24 - - Of potassium 28 35 25 - - Calcium hydrogenorthophosphate (“dicalcium phosphate”) 28 35 26 - - Other phosphates of calcium 28 35 29 - - Other 28 35 31 - - Sodium triphosphate (sodium tripolyphosphate) 28 35 39 - - Other