Hexamethylenediamine Citrate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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