Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons 29 04 32 Ammonium perfluorooctane sulphonate 29 04 32 00 Ammonium perfluorooctane sulphonate Commodity Code Description 29 04 32 00 000 Ammonium perfluorooctane sulphonate
