Tetrahydrophthalic Anhydride from Japan
Tetrahydrophthalic anhydride is a hydrogenated derivative of phthalic anhydride, synthesized from aromatic precursors like o-xylene. Classified under HTS 2917.19.40.00 due to its partial aromatic hydrocarbon derivation and acyclic polycarboxylic acid anhydride structure. Used in epoxy resins and alkyd coatings.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include synthesis pathway documentation showing aromatic hydrocarbon origin to justify this specific subheading
• Check for stabilizer additions; if exceeding Chapter 29 note (f) limits, may shift to mixtures classification