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

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

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 — Mexico → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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Import Tips

• ,pH specification critical for intended use validation

• TRIS content may require separate TSCA if >threshold