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.
National subdivision 2904.3 — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride :
Subheading 2904.31 — Perfluorooctane sulphonic acid
HS code
2904.31.00 Perfluorooctane sulphonic acid
Last Verified Date - 1 October 2026
Common commodities
Pure Perfluorooctane sulphonic acid (PFOS acid)C8F17SO3H PFOS compoundHigh-purity Perfluorooctane sulphonic acidUnrefined Perfluorooctane sulphonic acidPFOS Acid (C8F17SO3H) crystalsPure C8F17SO3H halogenated compoundUnprocessed PFOS AcidPure Perfluoroctane sulphonic acid powderHigh-integrity C8F17SO3H derivativeUntreated PFOS Acid (C8F17SO3H)