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SITCSection 5
U.S. imports of chlorates & perchlorates (nes), bromates, perbromates, iodates & periodates (SITC 52339) totaled $845K in April 2026, traded with 9 countries.
Importers of Chlorates & Perchlorates (NES), Bromates, Perbromates, Iodates & Periodates paid $56K in duties in April 2026 — an effective duty rate of 18% on $319K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPerchlorates in this residual group attract particular regulatory attention because they are designated as a contaminant of concern by the EPA and are subject to export controls in some jurisdictions due to their use as oxidizers in solid rocket propellants and pyrotechnics. Bromates, iodates, and periodates serve more specialized roles — bromates in flour treatment and analytical chemistry, iodates and periodates as oxidants in organic synthesis and disinfection. The "not elsewhere specified" scope of this heading means correct classification often requires a detailed chemical specification sheet to distinguish the specific salt from those covered by more specific headings. Importers dealing in perchlorates should also verify whether the shipment triggers any dual-use export-control review in the country of origin.
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Perchlorates are EPA-designated drinking-water contaminants and are also used as oxidizers in propellants and pyrotechnics, placing them under dual-use scrutiny. Importers should confirm that the shipment complies with any origin-country export licensing requirements and be prepared for heightened CBP review, especially for ammonium perchlorate destined for aerospace applications.
The 'NES' (not elsewhere specified) designation means this heading applies only when the chemical is not covered by a more specific heading — for example, sodium chlorate has its own heading (52332). Importers should obtain a full chemical name, CAS number, and specification sheet and review the schedule hierarchy with a licensed customs broker to confirm residual classification is appropriate.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | -- | $1.1M | +$1.1M |
| CANADA | $525K | $108K | -$417K |
| CHINA | $175K | -- | -$175K |
| FRANCE | -- | $160K | +$160K |
| TURKEY | $13K | $141K | +$128K |
Monthly import values over time