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SITCSection 5
U.S. imports of phthalic anhydride (SITC 51382) totaled $2.4M in April 2026, traded with 10 countries.
Importers of Phthalic Anhydride paid $249K in duties in April 2026 — an effective duty rate of 10% on $2.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataA key aromatic intermediate produced by catalytic oxidation of ortho-xylene or naphthalene, phthalic anhydride is a primary feedstock for plasticizers, alkyd resins, and dye intermediates. Importers should note that certain foreign-origin phthalic anhydride has historically been subject to antidumping duty orders, making country-of-origin documentation critical at entry. The chemical's solid, flake, or molten form affects packaging and transport classification, and buyers in the coatings and plastics sectors should confirm specification compliance before contracting.
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Yes, antidumping duty orders have been applied to phthalic anhydride from certain countries in the past. Importers should check the current scope of any active orders with the US Department of Commerce and confirm country-of-origin documentation to avoid unexpected duty liability.
The chemical identity remains the same regardless of physical form, so classification under this SITC heading is unaffected. However, molten shipments require specialized tank containers and may trigger additional hazardous-materials transport requirements, which importers should address in their logistics planning.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $2.0M | -- | -$2.0M |
| MEXICO | -- | $529K | +$529K |
| CANADA | -- | $240K | +$240K |
| ISRAEL | $237K | -- | -$237K |
| BRAZIL | $131K | $6K | -$125K |
Monthly import values over time