Piperonylacetone (PAK) from Japan
Piperonylacetone, synonymous with 1-(1,3-benzodioxol-5-yl)propan-2-one, is a pale yellow liquid chemical intermediate used in organic synthesis. It falls precisely under HTS 2932.92.00.00 due to its exact chemical structure matching the tariff subheading for this specific heterocyclic ketone with benzodioxole moiety.
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
• Submit IUPAC name confirmation and synonym list (including PMK, piperonylacetone) in entry documentation to match tariff description exactly
• Declare as 'chemical intermediate - not for direct consumer use' to avoid DEA scrutiny given its listing as List I chemical
• Watch for re-export requirements; obtain import permit if transshipping through regulated jurisdictions