3204.13.25.00 - Basic blue 3; Basic red 14; and Basic yellow 1, 11, 13

This HTS category, 3204.13.25.00, specifically covers certain "basic" synthetic organic dyes, namely Basic blue 3, Basic red 14, and Basic yellow 1, 11, and 13. These are classified as "basic" dyes due to their cationic nature, meaning they carry a positive electrical charge and typically dye materials like acrylic fibers, paper, and leather. The "chemically defined" aspect indicates that these dyes are identified by a specific chemical formula, distinguishing them from less precisely defined preparations.

This classification is differentiated from its siblings by the precise identification of the dyes included. For instance, sibling category 3204.13.10.00 lists a broad range of other basic dyes by their common names, while 3204.13.20.00 covers Basic orange 22 and Basic red 13. Similarly, 3204.13.45.00 includes Methylene blue and Basic blue 147. The "Other" sibling category would encompass any basic dyes not specifically enumerated in the preceding subheadings.

As this HTS subheading is a leaf node, it does not have further subdivisions. Therefore, the focus remains on the precise identification and scope of the listed dyes. Classification under this subheading is determined by the presence of these specific named dyes, ensuring accurate import and export declarations for these particular synthetic organic coloring matters.