HS 2904 – Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

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

Subheadings

HS code	Description	MFN rate
2904-10 – Derivatives containing only sulpho groups, their salts and ethyl esters		MFN Free
2904-10-00-00	Derivatives containing only sulpho groups, their salts and ethyl esters	Free
2904-20 – Derivatives containing only nitro or only nitroso groups		MFN Free
2904-20-00-00	Derivatives containing only nitro or only nitroso groups	Free
2904-31 – Perfluorooctane sulphonic acid		MFN Free
2904-31-00-00	Perfluorooctane sulphonic acid	Free
2904-32 – Ammonium perfluorooctane sulphonate		MFN Free
2904-32-00-00	Ammonium perfluorooctane sulphonate	Free
2904-33 – Lithium perfluorooctane sulphonate		MFN Free
2904-33-00-00	Lithium perfluorooctane sulphonate	Free
2904-34 – Potassium perfluorooctane sulphonate		MFN Free
2904-34-00-00	Potassium perfluorooctane sulphonate	Free
2904-35 – Other salts of perfluorooctane sulphonic acid		MFN Free
2904-35-00-00	Other salts of perfluorooctane sulphonic acid	Free
2904-36 – Perfluorooctane sulphonyl fluoride		MFN Free
2904-36-00-00	Perfluorooctane sulphonyl fluoride	Free
2904-91 – Trichloronitromethane (chloropicrin)		MFN Free
2904-91-00-00	Trichloronitromethane (chloropicrin)	Free
2904-99 – Other		MFN Free
2904-99-00-00	Other	Free

17 Canadian companies imported goods under heading 29.04 according to the CBSA Canadian Importers Database, 2023 data.