Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 13 Sulphides of non-metals; commercial phosphorus trisulphide Commodity Code Description 28 13 10 Carbon disulphide 28 13 90 Other IV INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS