Cumene Oxidation Fumaric Byproduct from Mexico
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 — 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
• 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