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SITCSection 2
U.S. imports of sodium nitrate (SITC 27220) totaled $370K in April 2026, traded with 6 countries.
Importers of Sodium Nitrate paid $7K in duties in April 2026 — an effective duty rate of 12% on $55K in dutiable value, based on actual customs collections rather than the published tariff schedule. Sodium Nitrate imports of $370K in April 2026 ran 71% below the year-to-date monthly average of $1.3M.
Last updated: April 2026 dataSodium nitrate — also traded as Chile saltpeter in its natural mineral form — functions as both a fertilizer nitrogen source and an industrial oxidizing agent used in glass manufacturing, food preservation, and pyrotechnics. The natural and synthetic forms may be classified differently depending on purity and origin, making supplier documentation on production method important for accurate entry. Importers supplying the agricultural sector should be aware that high-purity synthetic sodium nitrate may face different regulatory scrutiny than crude natural deposits. End-use declarations can be relevant where the material is destined for explosive precursor applications subject to Department of Commerce or DHS oversight.
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Yes, origin and processing method matter. Natural sodium nitrate (mined mineral) and synthetically produced sodium nitrate may fall under different tariff provisions. Importers should obtain a certificate of analysis and production method documentation from the supplier to support the correct classification at entry.
Sodium nitrate is an oxidizing agent and, in certain concentrations and quantities, may be subject to reporting or permitting requirements under US chemical security regulations administered by DHS. Importers should review applicable thresholds and consult with compliance counsel when importing in bulk quantities destined for industrial or agricultural use.
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Monthly import values over time