Pharmaceutical Grade Maleic Acid USP from China
Ultra-pure maleic acid meeting United States Pharmacopeia (USP) standards for pharmaceutical applications, classified under HTS 2917.19.23.00. Used as counterion in drug salt formation and synthesis intermediate for APIs. Remains classified as the pure chemical compound despite high purity standards.
Duty Rate — China → United States
41.5%
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
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)
Import Tips
• Provide USP Certificate of Analysis and DMF reference if used in FDA-regulated pharmaceuticals
• Use low-density polyethylene (LDPE) liners in drums to prevent iron contamination affecting pharmaceutical purity
• Comply with FDA import alerts on color, odor, and heavy metals specifications unique to pharma grade