2,6-Lutidine (2,6-Dimethylpyridine)
2,6-Lutidine is a dimethyl-substituted pyridine used as a solvent, intermediate in agrochemicals, and ligand in organometallic catalysis. Falls under HTS 2933.39.92.00 as 'other' pyridine ring compounds with only nitrogen hetero-atoms. Excluded if in mixtures rendering it suitable for specific non-chemical uses.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered cyclic hydrocarbon derivative
Some alkyl pyridines might be argued as aromatic hydrocarbons under 2902, but nitrogen hetero-atom defines Chapter 29 classification.
If containing directly linked sulfur
Organo-sulfur pyridine compounds classify under 2930, later heading per Chapter note on numerical order.
If >70% pure light oil mixture
Pyridine bases in coal tar/light oil mixtures fall under Chapter 27 petroleum distillates.
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Import Tips & Compliance
• DOT hazardous label as flammable liquid (UN 2458); GC-MS certificate needed for purity
• Bulk imports may trigger TSCA notification
Related Products under HTS 2933.39.92.00
Nicotine Bitartrate Dihydrate
Nicotine bitartrate dihydrate is a salt of nicotine, a heterocyclic compound containing a pyridine ring, used in smoking cessation therapies and pesticides. It falls under HTS 2933.39.92.00 as 'other' unfused pyridine ring compounds with nitrogen hetero-atoms only. This classification applies to pure chemical forms meeting Chapter 29 notes for separate chemically defined organic compounds.
Pyridine-3-Carboxylic Acid (Nicotinic Acid)
Nicotinic acid, also known as vitamin B3, is a pyridine derivative with a carboxylic acid group at position 3, used as a nutritional supplement and in pharmaceuticals. Classified under HTS 2933.39.92.00 as an 'other' compound containing an unfused pyridine ring per Chapter 29 specifications. Excludes vitamin preparations put up for retail sale.
4-Dimethylaminopyridine (DMAP)
DMAP is a pyridine derivative with a dimethylamino substituent at position 4, widely used as a catalyst in organic synthesis and peptide coupling reactions. It qualifies for HTS 2933.39.92.00 as an 'other' unfused pyridine compound with nitrogen hetero-atoms only, meeting Chapter 29 purity requirements. Common in pharmaceutical manufacturing.
Isonicotinic Acid Hydrazide (INH, Isoniazid Bulk)
Isoniazid is a pyridine-4-carboxylic acid hydrazide used as bulk active for tuberculosis treatment. Classified in HTS 2933.39.92.00 as 'other' unfused pyridine derivative per Chapter 29 notes for chemically defined compounds. Distinguish from finished pharmaceutical dosage forms.
Ethyl 2-Picolinate
Ethyl 2-picolinate is the ethyl ester of picolinic acid (pyridine-2-carboxylic acid), used in pharmaceutical intermediates and metal chelation. HTS 2933.39.92.00 applies per Chapter 29 note (A) classifying esters with the acid-function parent compound. Meets criteria for chemically pure organic compound.
Pyridine N-Oxide
Pyridine N-oxide is the N-oxidized derivative of pyridine, used in organic synthesis as oxidant and directing group. Falls under HTS 2933.39.92.00 as 'other' pyridine ring compound; N-oxide maintains unfused pyridine classification per HTS. Excluded if in coordination complexes.