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 19 Chromium oxides and hydroxides 28 19 10 Chromium trioxide 28 19 10 00 Chromium trioxide Commodity Code Description 28 19 10 00 000 Chromium trioxide
