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2921.43.90.40
p-Toluidine-m-sulfonic acid (CAS No. 88-44-8)
⚠️ 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)
N/A
Applies to most countries (Normal Trade Relations / MFN)
Special Rate
None
Preferential rates under trade agreements (USMCA, KORUS, etc.)
Column 2 Rate
N/A
Applies to countries without Normal Trade Relations (Cuba, North Korea, etc.)
📋 Details
HTS Code2921.43.90.40
Descriptionp-Toluidine-m-sulfonic acid (CAS No. 88-44-8)
Chapter2921
Data SourceUSITC HTS 2026, Revision 4
Related Tariff Codes in Chapter 2921
2921.11.00.00Methylamine, di- or trimethylamine and their salts3.7% 2921.12.01.002-(N,N-Dimethylamino)ethyl chloride hydrochlorideFree2921.13.00.002-(N,N-Diethylamino)ethyl chloride hydrochlorideFree2921.14.00.002-(N,N,-Diisopropylamino)ethyl chloride hydrochloride6.5% 2921.19Other:N/A2921.19.11.00Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines3.7%2921.19.31.003-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochlorideFree2921.19.61.10N,N-Dialkyl (methyl, ethyl or n-propyl)-2-chloroethylamines and their protonatedN/A
⚡ Quick Summary

HTS: 2921.43.90.40

Duty: N/A

Chapter: 2921