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 27 Chlorides, its oxides and hydroxides; bromides, iodides and their oxides Commodity Code Description 28 27 10 Ammonium chloride 28 27 20 Calcium chloride 28 27 31 Of magnesium 28 27 32 of aluminium 28 27 35 Of nickel 28 27 39 Other 28 27 41 Of copper 28 27 49 Other 28 27 51 Bromides of sodium or of potassium 28 27 59 Other 28 27 60 Iodides and iodide oxides