Pseudocumene Route Fumaric Acid from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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