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2921.29.00.55/Hexamethylenediamine/Japan

Hexamethylenediamine from Japan

Hexamethylenediamine, an acyclic diamine used primarily in nylon-6,6 production, is classified under HTS 2921.29.00.55 as an other acyclic polyamine. It meets Chapter 29 requirements for chemically defined organic compounds.

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%
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Import Tips

• Submit Letter of Intent to Manufacture (LOI) under TSCA for polymer production use

• Confirm >99% purity via analytical certificate to maintain Chapter 29 classification

• Avoid bulk packaging that could trigger 'prepared for retail sale' reclassification

Hexamethylenediamine from Japan — Import Duty Rate | HTS 2921.29.00.55