Section 06 Products of the chemical or allied 29 Organic chemicals 29 23 Quaternary ammonium salts, etc; lecithins and other phosphoaminolipids 29 23 40 Didecyldimethylammonium perfluorooctane sulphonate Commodity Code Description 29 23 40 00 Didecyldimethylammonium perfluorooctane sulphonate
