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SITCSection 5
U.S. exports of boron oxides & boric acids (SITC 52235) totaled $18.1M in July 2026.
Importers of Boron Oxides & Boric Acids paid $751K in duties in July 2026 — an effective duty rate of 9.7% on $7.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Boron Oxides & Boric Acids imports of $7.8M in July 2026 ran 52% above the year-to-date monthly average of $5.1M.
Last updated: July 2026 dataBoron trioxide (B₂O₃) and boric acid (H₃BO₃) are versatile inorganic compounds serving as key inputs in glass and fiberglass manufacturing, ceramic glazes, flame retardants, and wood preservatives. Turkey dominates global boron mineral production and is a leading source of boric acid traded into the US market, giving origin concentration a notable supply-chain dimension for buyers. Boric acid used in pesticide formulations is regulated by the EPA under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), requiring registration review for certain end-use products. EPA TSCA certification is required for industrial-grade imports.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
34 shipments/mo
Basic heading 271 of 465 in section 5
Basic heading 52235 · $7.8M of $28.9B
Boric acid imported as a finished pesticide product or pesticide active ingredient intended for direct sale or use as a pest control agent requires EPA FIFRA registration and may need an EPA-issued import notice. Boric acid imported purely as an industrial chemical or glass-manufacturing input is subject only to TSCA certification, not FIFRA.
Boron trioxide (B₂O₃) is anhydrous and highly hygroscopic, requiring sealed, moisture-resistant packaging and careful storage, while boric acid (H₃BO₃) is the hydrated form and more stable under ambient conditions. For glass and ceramic applications, B₂O₃ content percentage and particle size distribution are the primary quality specifications buyers negotiate with suppliers.
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Exports · July 2026
destination
China and Korea, South together take 62% 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
$7.8MYoY · Pro
Exports
$18.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.