2933.39.10.00 - Collidines, lutidines and picolines

This HTS classification covers specific pyridine derivatives, namely collidines, lutidines, and picolines. These are methyl-substituted pyridines, with collidines being trimethylpyridines, lutidines being dimethylpyridines, and picolines being methylpyridines. They are often used as intermediates in organic synthesis, solvents, or in the production of agrochemicals and pharmaceuticals.

This category is distinct from its siblings by its focus on these particular methyl-substituted pyridines. For example, sibling 2933.39.08.00 and 2933.39.20.00 encompass a broader range of other pyridine derivatives and related heterocyclic compounds with different substituent groups or functionalities, or even other structural arrangements within the pyridine ring system. The defining characteristic here is the presence and number of methyl groups directly attached to the pyridine ring.

As this classification represents a leaf node, there are no further subdivisions within this HTS code. Therefore, the focus remains on accurately identifying and classifying collidines, lutidines, and picolines based on their chemical structure and ensuring they are not more specifically classified under other provisions.