High-Purity Benzene-Derived Maleic Anhydride from China
Ultra-pure maleic anhydride (>99.5%) from controlled benzene oxidation, precisely classified under HTS 2917.14.10.00 for aromatic-derived acyclic anhydrides. Used in pharmaceutical intermediates and specialty polymer production.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide HPLC chromatograms showing <50 ppm impurities for pharma-grade verification
• Declare as UN 2215 with subsidiary GHS07 hazard for skin/eye irritant properties
• Ensure inhibitor-free packaging for high-purity applications