2914.79.40.00 - Other 🖩

This HTS subheading, 2914.79.40.00, covers "Other" aromatic ketones and quinones and their halogenated, sulfonated, nitrated, or nitrosated derivatives that do not fit into the more specific sibling categories. This broad classification is a residual category, intended for aromatic compounds within this chemical family that have undergone at least one of the specified chemical modifications (halogenation, sulfonation, nitration, or nitrosation) and are not otherwise enumerated. The key criterion for inclusion here is the presence of an aromatic ring structure combined with a ketone or quinone functional group, along with one or more of the listed derivative groups.

The distinction from sibling categories is crucial for accurate classification. For instance, 2914.79.10.00 specifically enumerates substances like 2,3-Dichloro-1,4-naphthoquinone and certain artificial musks with nitro substituents. Similarly, 2914.79.30.00 covers distinct compounds such as Anthraquinone disulfonic acid, sodium salt, and 4-(3,4-Dichlorophenyl)-1-tetralone. Subheading 2914.79.40.00 serves as a catch-all for all other aromatic compounds meeting the general description but not specifically listed in these preceding subheadings. This requires careful examination of the chemical structure and the presence of the stipulated functional groups and derivatives.

As this is a leaf node, there are no further subdivisions under 2914.79.40.00. Therefore, the focus for classification purposes within this subheading lies entirely on whether a particular aromatic ketone or quinone derivative, having been halogenated, sulfonated, nitrated, or nitrosated, is not specifically provided for under any other more precise heading or subheading within Chapter 29. This often involves consulting chemical dictionaries, expert opinions, or ruling letters to confirm its position in the hierarchy.