Nicotine Free Base Liquid from Mexico
Pure nicotine ((S)-3-(1-methylpyrrolidin-2-yl)pyridine), a pyridine-pyrrolidine bicyclic nitrogen heterocyclic compound used in pharmaceuticals and vaping. Classified in HTS 2933.99.9701 as other nitrogen heterocycles; pyridine ring qualifies despite dual heteroatoms per heading scope.
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
Import Tips
• DEA Form 236 required for >0.5% concentration; common violation is missing precursor chemical registration
• Declare exact enantiomeric purity; racemic mixtures may shift to 2933.39
• Solvent-dissolved forms must meet Chapter note (e) criteria or face 3824 reclassification