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SITCSection 5
U.S. imports of potassium nitrate (SITC 52352) totaled $3.2M in April 2026, traded with 14 countries.
Potassium Nitrate imports of $3.2M in April 2026 ran 53% below the year-to-date monthly average of $6.8M.
Last updated: April 2026 dataPotassium nitrate (saltpeter, KNO₃) serves dual roles as a fertilizer-grade nutrient and an industrial oxidizer used in glass manufacturing, food preservation, and pyrotechnics. Its dual-use nature means importers should be aware of potential export controls or licensing requirements in the country of origin, and US Customs classification can hinge on purity grade and intended end use. The compound competes in trade with ammonium nitrate and other nitrogen sources, making grade specification and documentation of intended application critical at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Fertilizer-grade and technical-grade potassium nitrate may fall under different tariff lines depending on purity and intended use. Importers should confirm the correct HTS subheading with a licensed customs broker, as misclassification between agricultural and industrial grades can affect duty rates and regulatory review.
Because potassium nitrate is an oxidizer with potential dual-use applications, some origin countries require export licenses, and US importers may face scrutiny under chemical security frameworks. Consulting with a customs broker and reviewing any applicable Commerce Department or DHS requirements before shipment is advisable.
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Monthly import values over time