Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METAL, OFRARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES 28 37 CYANIDES, CYANIDE OXIDES AND COMPLEX CYANIDES. Commodity Code Description 28 37 11 CYANIDES AND CYANIDE OXIDES OF SODIUM 28 37 19 OTHER CYANIDES AND CYANIDE OXIDES 28 37 20 COMPLEX CYANIDES