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SITCSection 5
U.S. exports of phosphides (excluding ferrophosphorus) (SITC 52492) totaled $1.3M in July 2026.
Importers of Phosphides (Excluding Ferrophosphorus) paid $9K in duties in July 2026 — an effective duty rate of 10% on $89K in dutiable value, based on actual customs collections rather than the published tariff schedule. Phosphides (Excluding Ferrophosphorus) imports of $172K in July 2026 ran 41% below the year-to-date monthly average of $291K.
Last updated: July 2026 dataAluminum phosphide and zinc phosphide are the commercially dominant members of this heading, used primarily as grain fumigants that release toxic phosphine gas upon contact with moisture — a property that makes them effective rodenticides and insecticides in stored-commodity protection. Calcium phosphide and other metal phosphides serve as specialty reagents in organic synthesis and semiconductor doping. Because aluminum phosphide and zinc phosphide are registered pesticides, US imports are subject to EPA FIFRA registration requirements, and shipments must be accompanied by appropriate labeling and safety documentation.
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14 shipments/mo
Basic heading 436 of 465 in section 5
Basic heading 52492 · $172K of $28.9B
Aluminum phosphide products used as pesticides must be registered under FIFRA. Imported formulations must either carry an EPA registration number or qualify as an identical or substantially similar product to a registered domestic product. Importers should coordinate with EPA's Office of Pesticide Programs and ensure that labeling meets US requirements before the shipment arrives at the port of entry.
Ferrophosphorus is an iron-phosphorus alloy produced as a byproduct of phosphorus furnace operations and is classified among ferroalloys rather than with chemically defined phosphides. The exclusion reflects its metallurgical rather than chemical character — it is used as a steel additive, not as a reactive phosphide compound.
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Exports · July 2026
destination
Taiwan and Germany together take 55% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$172KYoY · Pro
Exports
$1.3MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.