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2904.31.00.00
Perfluorooctane sulfonic acid
⚠️ Disclaimer: Rates shown are from USITC HTS 2026 Rev. 4. Always verify with a licensed customs broker before importing. Additional duties, surcharges, or trade remedy duties may apply.
📊 Duty Rates
General Rate (Column 1)
3.7%
Applies to most countries (Normal Trade Relations / MFN)
Special Rate
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Preferential rates under trade agreements (USMCA, KORUS, etc.)
Column 2 Rate
25%
Applies to countries without Normal Trade Relations (Cuba, North Korea, etc.)
📋 Details
HTS Code2904.31.00.00
DescriptionPerfluorooctane sulfonic acid
Chapter2904
Data SourceUSITC HTS 2026, Revision 4
Related Tariff Codes in Chapter 2904
2904.10Derivatives containing only sulfo groups, their salts and ethyl esters:N/A2904.10.04.002-Anthracenesulfonic acid5.5%2904.10.08.00Benzenesulfonyl chloride5.5%2904.10.10.00m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Tolu5.5%2904.10.15.00Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic a5.5%2904.10.32.00Products described in additional U.S. note 3 to section VI5.5%2904.20Derivatives containing only nitro or only nitroso groups:N/A2904.20.10.00p-Nitrotoluene5.5%
⚡ Quick Summary

HTS: 2904.31.00.00

Duty: 3.7%

Chapter: 2904