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 01 Fluorine, chlorine, bromine and iodine 28 01 20 Iodine 28 01 20 00 Iodine Commodity Code Description 28 01 20 00 000 Iodine