3204.19.20.20 - Solvent red 179

This HTS subcategory, 3204.19.20.20, specifically classifies "Solvent red 179." Solvent dyes are organic coloring matters characterized by their solubility in organic solvents rather than water. They are primarily used for coloring plastics, waxes, oils, and other non-polar materials where water solubility would be detrimental. Solvent red 179, as a specific named colorant within this group, falls under the broader classification of synthetic organic coloring matter due to its manufactured nature and chemical definition.

This classification is distinguished from its siblings by the specific chemical identity of the dye. For instance, 3204.19.20.40 covers "Solvent yellow 163," indicating a different color spectrum and likely a different chemical structure. The "Other" category (3204.19.20.90) at this level serves as a residual classification for any solvent dyes or preparations thereof that do not fit the specific named entries like Solvent red 179 or Solvent yellow 163, but still meet the criteria of being a solvent dye and falling under additional U.S. note 3 to section VI.

As this is a leaf node within the HTS, there are no further subcategories that subdivide Solvent red 179. Therefore, the focus for classification purposes rests on confirming that the imported product is indeed Solvent red 179, its chemical composition aligns with recognized standards for this dye, and it is intended for use as a solvent-soluble colorant in applications as described within the broader scope of Chapter 32.