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2931.90.70.00
N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts
⚠️ 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)
Free
Applies to most countries (Normal Trade Relations / MFN)
Special Rate
None
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 Code2931.90.70.00
DescriptionN,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts
Chapter2931
Data SourceUSITC HTS 2026, Revision 4
Related Tariff Codes in Chapter 2931
2931.10.00.00Tetramethyl lead and tetraethyl lead3.7%2931.20.00.00Tributyltin compounds3.7%2931.41.00.00Dimethyl methylphosphonate3.7%2931.42.00.00Dimethyl propylphosphonate3.7%2931.43.00.00Diethyl ethylphosphonate3.7%2931.44.00.00Methylphosphonic acid3.7%2931.45.00.00Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1)3.7%2931.46.00.002,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide3.7%
⚡ Quick Summary

HTS: 2931.90.70.00

Duty: Free

Chapter: 2931