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Benzene-Based Maleic Anhydride Flakes

Flake-form maleic anhydride manufactured via benzene oxidation process, specifically falling under HTS 2917.14.10.00 due to its aromatic hydrocarbon origin. Used primarily in unsaturated polyester resin production for composites and fiberglass.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+37.5%44%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2917.14Same rate: 44%

If derived from C4 petroleum fractions like n-butene

Chapter notes specify petroleum-derived maleic anhydride in separate subheading.

3824.99Lower: 17.5% vs 44%

If dissolved in solvents for safe transport

Solutions exceeding general use criteria classified as chemical preparations.

2902.50.00.00Lower: 37.5% vs 44%

If imported as molten styrene-maleic anhydride copolymer precursor

Cyclic polymer derivatives shift to hydrocarbon polymers classification.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide production process documentation proving benzene/naphthalene feedstock origin

• Use nitrogen-blanketed containers to prevent polymerization during ocean transit

• Label as UN 2215 Maleic Anhydride with proper corrosive hazard placards