2925.29.70.00/Tetramethylguanidine with Stabilizer/Japan

Tetramethylguanidine with Stabilizer from Japan

Stabilized tetramethylguanidine containing BHT preservative for transport, classified HTS 2925.29.70.00 per Chapter 29 note (f). Remains chemically defined imine compound. Used in fine chemical manufacturing.

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

• Document stabilizer as necessary for preservation per note (f); excess may trigger note (g)

• Include formulation certificate showing <1% additives

• Avoid coloring/emetic additions unless for safety identification