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Sistema armonizado
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 29
Organic chemicals
Heading 2904
Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.
2904.10
- Derivatives containing only sulpho groups, their salts and ethyl esters
2904.20
- Derivatives containing only nitro or only nitroso groups
2904.3
- Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride :
2904.31
-- Perfluorooctane sulphonic acid
2904.32
-- Ammonium perfluorooctane sulphonate
2904.33
-- Lithium perfluorooctane sulphonate
2904.34
-- Potassium perfluorooctane sulphonate
2904.35
-- Other salts of perfluorooctane sulphonic acid
2904.36
-- Perfluorooctane sulphonyl fluoride
2904.9
- Other :
2904.91
-- Trichloronitromethane (chloropicrin)
2904.99