Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 23 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids 29 23 30 Tetraethylammonium perfluorooctane sulphonate 29 23 30 00 Tetraethylammonium perfluorooctane sulphonate Commodity Code Description 29 23 30 00 000 Tetraethylammonium perfluorooctane sulphonate
