Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.29.05.00Tariff line
Classification path
Heterocyclic compounds with nitrogen hetero-atom(s) only
2933
Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure
Other
Aromatic or modified aromatic
1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea
2933.29.05.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 52%
Unitkg
Printed page 1546
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2933.29.05 is on L3
- PGAEPA EP5EPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →