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Tetramethylguanidine with Stabilizer from Canada

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 — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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