Section 06 Products of the chemical or allied industries 31 Fertilisers 31 02 Mineral or chemical fertilisers, nitrogenous. 31 02 30 Ammonium nitrate, whether or not in aqueous solution 31 02 30 00 Ammonium nitrate, whether or not in aqueous solution Commodity Code Description 31 02 30 00 000 Ammonium nitrate, whether or not in aqueous solution