Hexamethylenediamine Citrate from Canada
Citric acid salt used in pharmaceutical buffering and nutritional supplements. HTS 2921.22.5000 as polyamine salt derivative. Soluble in water, pH 6-8.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide citric acid content and buffer capacity documentation
• GMP certification required if destined for nutritional use
• Label as food-grade if applicable to avoid chemical classification issues