Key facts
- HS subheading
- 2933.29
- National lines
- 8
- Tariff
- United States
- Chapter
- 29: Organic chemicals
Summary
The United States tariff splits HS 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other) into 8 national lines: 2933.29.05.00 (1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea), 2933.29.10.00 (2-Phenylimidazole), 2933.29.20.00 (drugs), 2933.29.35.00 (products described in additional U.S. note 3 to section VI) and 4 others. The general (MFN) duty differs by line: free on 2933.29.05.00, 5.8% on 2933.29.10.00, 6% on 2933.29.20.00, 6.5% on 2933.29.35.00, 6.5% on 2933.29.43.00, 3.7% on 2933.29.45.00, free on 2933.29.60.00 and 6.5% on 2933.29.90.00.
United States lines under 2933.29
The United States tariff splits HS 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other) into 8 national lines: 2933.29.05.00 (1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea), 2933.29.10.00 (2-Phenylimidazole), 2933.29.20.00 (drugs), 2933.29.35.00 (products described in additional U.S. note 3 to section VI) and 4 others.
The general (MFN) duty differs by line: free on 2933.29.05.00, 5.8% on 2933.29.10.00, 6% on 2933.29.20.00, 6.5% on 2933.29.35.00, 6.5% on 2933.29.43.00, 3.7% on 2933.29.45.00, free on 2933.29.60.00 and 6.5% on 2933.29.90.00.
- 2933.29.05.001-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thioureaDuty: Free
- 2933.29.10.002-PhenylimidazoleDuty: 5.8%
- 2933.29.20.00DrugsDuty: 6%
- 2933.29.35.00Products described in additional U.S. note 3 to section VIDuty: 6.5%
- 2933.29.43.00OtherDuty: 6.5%
- 2933.29.45.00DrugsDuty: 3.7%
- 2933.29.60.00ImidazoleDuty: Free
- 2933.29.90.00OtherDuty: 6.5%
In other countries
No other national tariff on border.bot has live lines under 2933.29 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 2933.29?
The United States tariff splits HS 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other) into 8 national lines: 2933.29.05.00 (1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea), 2933.29.10.00 (2-Phenylimidazole), 2933.29.20.00 (drugs), 2933.29.35.00 (products described in additional U.S. note 3 to section VI) and 4 others.
What is the duty on HS 2933.29 in the United States?
The general (MFN) duty differs by line: free on 2933.29.05.00, 5.8% on 2933.29.10.00, 6% on 2933.29.20.00, 6.5% on 2933.29.35.00, 6.5% on 2933.29.43.00, 3.7% on 2933.29.45.00, free on 2933.29.60.00 and 6.5% on 2933.29.90.00.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: