2929.90.50.95/Girard's Reagent T/Mexico

Girard's Reagent T from Mexico

Girard's Reagent T (trimethylammoniumacetohydrazide chloride) contains hydrazone and quaternary ammonium nitrogen functions, classified under HTS 2929.90.50.95. Used in steroid analysis and carbonyl derivatization.

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

• Classify salts with organic compounds per Chapter 29 note (C)(1) with parent nitrogen compound

• Hygroscopic; specify storage conditions and provide stability data

• Avoid classification as quaternary ammonium compound (Chapter 29 note excludes from 2930-2931)