Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons 29 04 34 Potassium perfluorooctane sulphonate 29 04 34 00 Potassium perfluorooctane sulphonate Commodity Code Description 29 04 34 00 000 Potassium perfluorooctane sulphonate
