Cumene Oxidation Fumaric Byproduct from Canada
Fumaric acid recovered from cumene (isopropylbenzene) oxidation process streams, repurposed for polymer applications. Aromatic derivation via cumene qualifies for 2917.19.1500. Separated from primary acetone/phenol products.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document separation from phenol/acetone streams with distillation curves
• Test for cumene residue <10 ppm to meet purity specs
• Use 49 CFR 172.101 Table 2 packaging for organic solid acids