Section 06 Products of the chemical or allied 29 Organic chemicals 29 04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated 29 04 35 - - Other salts of Perfluorooctane sulphonic acid Commodity Code Description 29 04 35 00 - - Other salts of Perfluorooctane sulphonic acid