HS heading
2904Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.
Sub-codes in this heading. Select one to see its duties, controls and binding rulings.
290410Derivatives containing only sulpho groups, their salts and ethyl esters290420Derivatives containing only nitro or only nitroso groups290431Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride290432Ammonium perfluorooctane sulphonate290433Lithium perfluorooctane sulphonate290434Potassium perfluorooctane sulphonate290435Other salts of perfluorooctane sulphonic acid290436Perfluorooctane sulphonyl fluoride290491Other290499Other