Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 Inorganic chemicals; organic or inorganic compounds of precious metals , of rare 28 29 Chlorates and perchlorates; bromates and perbromates; iodates and periodates. 28 29 11 28 29 11 00 Commodity Code Description 28 29 11 00 00 -- Of sodium 28 29 19 00 00 -- Other 28 29 90 00 00 - Other