2908.99.12.00 - Products described in additional U.S. note 3 to section VI

This HTS classification, 2908.99.12.00, pertains to specific halogenated, sulfonated, nitrated, or nitrosated derivatives of phenols or phenol-alcohols that fall under the broader category of "Other" derivatives containing solely sulfo groups, their salts, and esters. It specifically encompasses products defined by additional U.S. note 3 to section VI. These are complex organic compounds where the primary functional groups, beyond the phenolic structure, are sulfonic acid groups (or their salt or ester forms), and they do not contain other defining halogens, nitro, or nitroso groups that would lead them to other specific subheadings.

Within its level, this category is distinct from its sibling, 2908.99.15.00, which is also categorized as "Other." The differentiation is based on the specific criteria outlined in additional U.S. note 3, which dictates a particular set of products that are captured here. Without further subdivisions at this level, the classification hinges on precise adherence to the detailed product descriptions and chemical characteristics outlined in the referenced U.S. note.

As a leaf node, this classification does not have further subcategories. Therefore, the focus for classification rests entirely on meticulously matching the chemical properties and composition of the imported product against the detailed requirements of additional U.S. note 3 to section VI. Importers must ensure that the product contains only sulfo groups (or their salts/esters) in addition to the phenolic or phenol-alcohol structure and that it meets all other specific inclusion criteria of that note to correctly classify it under 2908.99.12.00.