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SITCSection 5
U.S. imports of ammonium chloride (SITC 52321) totaled $408K in April 2026, traded with 9 countries.
Importers of Ammonium Chloride paid $95K in duties in April 2026 — an effective duty rate of 24% on $390K in dutiable value, based on actual customs collections rather than the published tariff schedule. Ammonium Chloride imports of $408K in April 2026 ran 11% below the year-to-date monthly average of $459K.
Last updated: April 2026 dataAmmonium chloride (sal ammoniac) functions as a flux in galvanizing and soldering, a nitrogen source in certain fertilizer blends, and an electrolyte in dry-cell batteries, giving it a broad industrial customer base across metalworking, agriculture, and electronics. Its relatively straightforward single-compound identity makes classification disputes rare, but importers should confirm whether the material is technical grade or food/pharmaceutical grade, as the latter may trigger FDA review. Trade flows for ammonium chloride are closely tied to ammonia and hydrochloric acid availability, and production is concentrated in Asia, particularly China.
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Technical-grade ammonium chloride used in metalworking or battery production generally requires only standard TSCA certification. Food-additive or pharmaceutical-grade material intended for human consumption or drug formulation is subject to FDA oversight, including facility registration and adherence to applicable purity standards such as USP or FCC specifications.
Ammonium chloride originating in China has been included in Section 301 tariff actions, so importers sourcing from Chinese suppliers should verify the current tariff list status and check for any applicable product exclusions before finalizing contracts. Diversifying to suppliers in other producing countries may reduce tariff exposure.
Monthly import values over time
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