Protocatechuic Acid from Japan
Protocatechuic acid (3,4-dihydroxybenzoic acid) is a pure aromatic monocarboxylic acid specified in additional U.S. note 3, imported under HTS 2916.39.46.00. Used in biochemical research and as a pharmaceutical synthesis intermediate.
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
• Lab-grade imports require HPLC purity certificate (≥98%)
• Declare as non-hazardous if <25% concentration in shipment
• Prevent oxidation during transport with nitrogen blanketing specification