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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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