2904

Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.

Common commodities

Sulphonic acid phenol derivativeNitrobenzene with chlorine substitutionPFOS (Perfluorooctanesulfonic acid)Nitromethane for rocket fuelChloropicrin production compoundHalogenated nitroalkane derivativeSulphohalogenated naphthalene compoundNitrosulphonated toluene solutionEthyl sulphone for rubber manufacturingPerfluorinated butanesulfonic acid

Codes

Code	Description
290410	Derivatives containing only sulpho groups, their salts and ethyl esters
290420	Derivatives containing only nitro or only nitroso groups
29043	Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride :
290431	Perfluorooctane sulphonic acid
290432	Ammonium perfluorooctane sulphonate
290433	Lithium perfluorooctane sulphonate
290434	Potassium perfluorooctane sulphonate
290435	Other salts of perfluorooctane sulphonic acid
290436	Perfluorooctane sulphonyl fluoride
29049	Other
290491	Trichloronitromethane (chloropicrin)
290499	Other