Aniline Tartrate from Mexico
Aniline tartrate is the tartaric acid salt of aniline, employed in chiral resolutions and pharmaceutical intermediates. It qualifies under HTS 2921.41.20.00 as an aniline salt, with the tartrate function secondary to the amine per classification notes. Excluded from optical elements per note (l).
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Chiral purity certificate essential for pharma declarations; avoid note (c) sugar classification by confirming non-sugar derivation; refrigerate during storage