Benzene Process Fumaric Acid from Japan
Fumaric acid isolated from benzene partial oxidation routes, primarily for unsaturated polyester resin manufacture. Aromatic hydrocarbon derivation confirmed by carbon isotope analysis. Classified 2917.19.1500 excluding cyclic byproducts like maleic anhydride.
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 bill of materials tracing benzene feedstock through oxidation
• Confirm melting point 287°C ± 2°C specification for identity
• Separate hazardous maleic anhydride residues to avoid mixed classification