Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or isotopes 28 29 Chlorates and perchlorates; bromates and perbromates; iodates and periodates. Commodity Code Description 28 29 11 Of sodium 28 29 19 Other 28 29 90 Other