Maleic Acid for Malic Acid Production from Japan
Technical maleic acid optimized for catalytic hydrogenation to L-malic acid, classified under HTS 2917.19.23.00. Low sulfur (<10 ppm) and chloride (<5 ppm) for catalyst compatibility. Key intermediate for food acidulants and pharmaceuticals.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify sulfur/chloride levels critical for noble metal catalyst protection
• Maintain <40°C storage temperature to prevent premature decarboxylation
• Coordinate with malic acid producer on optical purity requirements post-hydrogenation