Nicotine Bitartrate Dihydrate
Nicotine bitartrate dihydrate is a salt of nicotine, a pyridine-containing alkaloid, used in smoking cessation therapies and as an agricultural pesticide. It falls under HTS 2933.39.61.91 as a heterocyclic compound with an unfused pyridine ring, specified in additional U.S. note 3 to section VI for controlled chemical substances. The product is a chemically defined organic compound meeting chapter 29 requirements.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as tobacco alkaloid extract
Crude nicotine extracts from tobacco may classify under natural alkaloids rather than pure synthetic pyridine compounds.
If formulated as transdermal patch or gum
Finished nicotine replacement therapy products classify as medicaments, not bulk chemicals.
If for pesticide use with formulation additives
Pesticide formulations containing nicotine as active ingredient fall under Chapter 38, not pure compounds.
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Import Tips & Compliance
• Obtain DEA registration and verify if classified as List I chemical requiring import permit and declaration
• Provide certificate of analysis confirming purity and identity as chemically defined pyridine derivative
• Avoid misclassification as finished pharmaceutical by ensuring import as bulk API, not formulated dosage form
Related Products under HTS 2933.39.61.91
Pyridine-3-Carboxylic Acid (Nicotinic Acid)
Nicotinic acid, also known as vitamin B3, is a pyridine derivative used in nutritional supplements and pharmaceutical formulations. This bulk chemical powder is classified under HTS 2933.39.61.91 due to its unfused pyridine ring structure and inclusion in U.S. note 3 substances. It qualifies as a separate chemically defined organic compound per chapter notes.
4-Dimethylaminopyridine (DMAP)
DMAP is a pyridine derivative serving as a nucleophilic catalyst in organic synthesis and peptide coupling reactions. Classified under HTS 2933.39.61.91 for its unfused pyridine ring and status as a controlled research chemical under U.S. note 3. Meets chapter 29 criteria as a separate chemically defined compound without excluded additives.
Pyridine Hydrochloride
Pyridine hydrochloride is the salt form of pyridine used in chemical synthesis and as a reagent for protein extraction. It falls under HTS 2933.39.61.91 as a heterocyclic nitrogen compound with unfused pyridine ring, classified with the parent base per chapter note on salts. The pure salt meets chemically defined compound criteria.
2,6-Lutidine (2,6-Dimethylpyridine)
2,6-Lutidine is a dimethyl-substituted pyridine used as a solvent, catalyst ligand, and synthetic intermediate. This bulk chemical classifies under HTS 2933.39.61.91 due to its unfused pyridine ring structure and inclusion in section VI note 3 substances. Qualifies as chemically defined per chapter 29 scope.
4-Phenylpyridine
4-Phenylpyridine serves as an intermediate for pharmaceuticals and liquid crystal materials, featuring an unfused pyridine ring with phenyl substitution. Classified in HTS 2933.39.61.91 as a note 3 substance meeting heterocyclic nitrogen compound criteria. Chemically defined without excluded Chapter 29 mixtures or preparations.
Ethyl Nicotinate
Ethyl nicotinate, the ethyl ester of nicotinic acid, is used in topical rubefacients and as a pharmaceutical intermediate. Falls under HTS 2933.39.61.91 as pyridine derivative ester classified with parent acid per chapter notes on esters. Meets chemically defined organic compound requirements.