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HSChapter 28
U.S. imports of anhydrous ammonia (HS 281410) totaled $87.9M in July 2026, traded with 8 countries.
Importers of Anhydrous Ammonia paid $869K in duties in July 2026 — an effective duty rate of 9.8% on $8.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Anhydrous Ammonia imports of $87.9M in July 2026 ran 26% below the year-to-date monthly average of $118.8M.
Last updated: July 2026 dataAnhydrous ammonia is a critical nitrogen-source input for fertilizer manufacturing, refrigeration systems, and industrial chemical synthesis, classified under a single 10-digit line (2814100000). Canada is the dominant US supplier by proximity and pipeline infrastructure, with Trinidad and Tobago and Qatar representing major seaborne sources tied to natural gas feedstock economics. Importers should be aware that anhydrous ammonia is a hazardous material subject to EPA Risk Management Program requirements and DOT transport regulations, adding compliance layers beyond standard customs entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.8K shipments/mo
Beyond standard CBP entry, anhydrous ammonia is classified as a hazardous material under DOT regulations and may trigger EPA Risk Management Program (RMP) obligations at the receiving facility. Importers must ensure proper hazmat documentation, placarding, and that receiving sites meet threshold quantity reporting requirements.
Canada's geographic proximity allows pipeline and overland transport, which is significantly more cost-effective and safer than long-distance ocean shipping of this pressurized hazardous gas. Trinidad and Tobago and Qatar supply via specialized pressurized tanker vessels and tend to fill demand when North American production or pipeline capacity is constrained.
Subheading 1 of 2 in heading 2814
Subheading 281410 · $87.9M of $88.5M
ImportsExports
Imports
$87.9MYoY · Pro
Exports
$42.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and Trinidad and Tobago together supply 100% of it.
customs district
destination
entry
rate provision · imports
89.9% enters free of duty; the effective duty rate is 0.99%.
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 | Duty Collected |
|---|---|---|---|---|---|
| 2814100000 | Anhydrous Ammonia | $87.9M | 0.99% | 10.10% | $869K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2814100000 | Anhydrous Ammonia | $42.4M |
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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