Pseudocumene Route Fumaric Acid from Japan
Fumaric acid manufactured via pseudocumene (1,2,4-trimethylbenzene) selective oxidation technology. Advanced aromatic hydrocarbon derivation for electronic grade resins. Precise 2917.19.1500 classification per acyclic structure and chapter notes.
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 pseudocumene feedstock specification sheets to CBP
• Confirm <1 ppb metal impurities for electronics applications
• Use ISO 17025 accredited lab analysis for tariff verification