Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 Inorganic chemicals; organic or inorganic compounds of precious metals , of rare 28 35 Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polypho Commodity Code Description 28 35 10 28 35 22 28 35 24 28 35 25 28 35 26 28 35 29 28 35 31 28 35 39