Picolinic acid from China
Picolinic acid (2-pyridinecarboxylic acid) is explicitly named under HTS 2933.39.20.00 as a pyridine carboxylic acid. Widely used in metal chelation, nutrition supplements, and pharmaceutical intermediates.
Duty Rate — China → United States
5.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include melting point (250°C) and assay specs in certificate of analysis
• Provide dietary supplement end-use letters for FDA compliance
• Use moisture-proof packaging to prevent degradation of hygroscopic acid