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HSChapter 31
U.S. imports of uan solution — urea ammonium nitrate in aqueous solution (HS 310280) totaled $38.2M in July 2026, traded with 8 countries.
UAN Solution — Urea Ammonium Nitrate in Aqueous Solution imports of $38.2M in July 2026 ran 40% below the year-to-date monthly average of $63.7M.
Last updated: July 2026 dataUrea ammonium nitrate solution (UAN) is a liquid nitrogen fertilizer — typically 28%, 30%, or 32% nitrogen — that is one of the most widely applied nitrogen sources in US row-crop agriculture, used for pre-plant, side-dress, and fertigation applications. Classified under 3102800000, US imports arrive predominantly from Russia and Trinidad and Tobago, with Canada and the Netherlands also supplying the market. Russian-origin UAN has been subject to antidumping and countervailing duty orders, making origin verification and AD/CVD deposit calculations a routine compliance step for importers. The liquid form requires specialized tanker vessels and terminal infrastructure, concentrating import activity at Gulf Coast and inland river terminals.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
748 shipments/mo
Yes, antidumping and countervailing duty orders have been imposed on UAN solution from Russia, and orders have also covered other origins at various times. Importers must check the current scope of active orders with CBP or the International Trade Commission before entry, as AD/CVD cash deposits are required at time of importation and can significantly affect landed cost.
UAN solution must be transported in corrosion-resistant liquid tankers or barges and stored in dedicated liquid fertilizer tanks at import terminals. This limits viable entry points to ports with liquid fertilizer terminal capacity — primarily Gulf Coast and Mississippi River facilities — and requires coordination between vessel operators, terminal operators, and inland transport providers well in advance of the application season.
Subheading 2 of 9 in heading 3102
Subheading 310280 · $38.2M of $196.8M
ImportsExports
Imports
$38.2MYoY · Pro
Exports
$10.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Trinidad and Tobago and Canada together supply 87% of it.
customs district
destination
entry
rate provision · imports
100.0% enters free of duty; the effective duty rate is 0.00%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 3102800000 | Mixtures of Urea and Ammonium Nitrate in Solution | $38.2M | 0.00% | 0.00% |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3102800000 | Mixtures of Urea and Ammonium Nitrate in Solution | $10.4M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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