3204.17.04 - Pigment black 1; Pigment blue 16, 18; Pigment brown 22, 23, 25, 32; Pigment green 8; Pigment orange 31, 34, 36, 51; Pigment red 9, 14, 34, 48:3, 52, 68, 112, 139, 144, 146, 151, 166, 169,170, 171, 175, 176, 177, 180, 185, 188, 192, 199, 208, 209, 216, 220, 221; Pigment violet 32; and Pigment yellow 16, 24, 49, 62:1, 81, 93, 95, 97, 108, 109, 110, 113, 117, 127, 153

This HTS category encompasses a broad range of specific synthetic organic pigments, excluding those detailed in other subheadings within 3204.17. It includes numerous individual pigment designations across various color families, such as Pigment black 1, multiple Pigment blues, browns, greens, oranges, reds, violets, and yellows, as explicitly listed in the description. The classification is based on the chemical nature of the coloring matter and its designation as a pigment.

This category differentiates itself from its siblings by the specific pigments it enumerates. For instance, it is distinct from 3204.17.08.00 which specifically covers Pigment red 178 and certain Pigment yellows. Furthermore, it is separated from 3204.17.20.00, which pertains to copper phthalocyanine not yet prepared for use as a pigment, and from 3204.17.40, which focuses on isoindolenine red pigments and specific dry or presscake forms of Pigment red 149. The "Other" sibling at this level would capture synthetic organic pigments not otherwise specified.

The subcategories under 3204.17.04 provide a more granular breakdown of the pigments listed. For example, specific Pigment blues, oranges, and reds are further detailed to allow for precise classification, such as Pigment blue 16, Pigment orange 31 and 36, and various Pigment reds (e.g., 144, 166, 177). The inclusion of an "Other" subcategory (3204.17.04.85) serves as a catch-all for any remaining synthetic organic pigments fitting the parent description but not otherwise itemized in the more specific subheadings.