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SITCSection 5
U.S. exports of potassium hydroxide (caustic potash) and sodium or potassium peroxides (SITC 52264) totaled $8.5M in July 2026.
Importers of Potassium Hydroxide (Caustic Potash) and Sodium or Potassium Peroxides paid $15K in duties in July 2026 — an effective duty rate of 7.4% on $204K in dutiable value, based on actual customs collections rather than the published tariff schedule. Potassium Hydroxide (Caustic Potash) and Sodium or Potassium Peroxides imports of $5.4M in July 2026 ran 32% above the year-to-date monthly average of $4.1M.
Last updated: July 2026 dataCaustic potash (potassium hydroxide) is a strong alkali widely used in fertilizer production, soap manufacturing, and battery electrolytes, while sodium and potassium peroxides serve as oxidizing agents in specialty chemical and bleaching applications. Classification under this heading turns on the specific compound: anhydrous versus solution forms of potassium hydroxide carry different commercial grades and packaging requirements that affect duty treatment. Importers should verify whether the peroxide fraction meets purity thresholds that distinguish industrial-grade from reagent-grade material, as misclassification between these compounds is a common customs audit trigger.
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65 shipments/mo
Basic heading 307 of 465 in section 5
Basic heading 52264 · $5.4M of $28.9B
The two alkalis fall under separate SITC headings based on the cation: potassium-based compounds classify here (52264), while sodium hydroxide has its own heading. The distinction matters because duty rates, antidumping exposure, and supplier sourcing patterns differ between the two commodities.
Potassium and sodium peroxides are classified as oxidizing hazardous materials under DOT regulations, so shipments require proper dangerous-goods declarations, UN-number labeling, and compatible packaging certifications. Importers should also confirm EPA TSCA compliance for any new chemical substance not already on the TSCA inventory.
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Exports · July 2026
destination
Belgium and Canada together take 43% 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
$5.4MYoY · Pro
Exports
$8.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.