Picolinic acid from Canada
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 — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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