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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