Hexamethyleneimine from Japan

Hexamethyleneimine, also known as homopiperidine, is a seven-membered heterocyclic compound with a single nitrogen hetero-atom in the ring structure. It falls under HTS 2933.99.89.00 as a specific compound within the category of heterocyclic compounds containing only nitrogen hetero-atoms, other than those specified elsewhere. This chemical is used as an intermediate in pharmaceutical synthesis and organic reactions.

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

• Verify purity certificate (≥98%) and provide chemical safety data sheet (SDS) for DOT compliance during import

• Ensure proper UN packaging group II labeling as it's a flammable liquid; avoid common pitfalls like incorrect hazard class declaration

• Confirm REACH or TSCA registration for U.S. entry; maintain chain of custody documentation from manufacturer