L-Aspartic Acid from Japan
L-Aspartic Acid serves as a neurotransmitter precursor and aspartame intermediate in food and pharma industries. Falls under HTS 2922.49.49 as other amino acid with single dicarboxylic oxygen function allowed. Used in sweeteners and infusions.
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
• For aspartame production, declare intermediate use; track under FDA food contact notifications
• Chiral purity >99% L-form required; racemic mixtures classified differently
• pH stability documentation for transport; common deliquescence issue