Pseudocumene Route Fumaric Acid from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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