2922.50.11.00/D(-)-p-Hydroxyphenylglycine Tromethamine Salt/Canada

D(-)-p-Hydroxyphenylglycine Tromethamine Salt from Canada

Tromethamine (TRIS) salt of d(-)-p-Hydroxyphenylglycine, classified in HTS 2922.50.11.00 per note (C)(2) as salt between organic acid and base, last in numerical order. Used for pH-buffered pharma formulations.

Duty Rate — Canada → United States

16.5%

Rate breakdown

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

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Import Tips

• ,pH specification critical for intended use validation

• TRIS content may require separate TSCA if >threshold