Naphthalene-Derived Maleic Anhydride (Industrial Grade)

High-purity maleic anhydride from naphthalene oxidation (aromatic hydrocarbon), classified in HTS 2917.14.10.00 as specified for aromatic-derived acyclic polycarboxylic anhydrides. Essential for alkyd resin manufacturing and paper sizing applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

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

2917.14Same rate: 41.5%

If when produced via butane/butene catalytic air oxidation

Petrochemical process changes derivation source from aromatic hydrocarbons.

2932.99Lower: 13.7% vs 41.5%

If heterocyclic oxygen compounds containing anhydride groups

Structural changes creating heterocyclic rings shift to different chapter heading.

3907.61.00Same rate: 41.5%

If imported as unsaturated polyester resin containing >50% maleic anhydride

Polymerized forms classified as plastics rather than chemical monomers.

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Import Tips & Compliance

Include GC-MS analysis confirming <0.5% maleic acid content for pure anhydride classification

Declare proper flash point (104°C) and autoignition temperature on shipping papers

Monitor for fumaric acid impurities that could affect duty classification