9902.08.82 - Mono or diphthalimido methyl copper phthalocyanine ([2-(29H, 31H-phthalocyaninylmethyl) -1H -isoindole-1,3 (2H)-dionato (2-)-N29, N30, N31, N32] copper) (CAS No. 42739-64-0) (provided for in subheading 3204.19.50)

This HTS category, 9902.08.82, covers a specific chemical compound: mono or diphthalimido methyl copper phthalocyanine. This complex organic molecule, also identified by CAS Number 42739-64-0, is a type of phthalocyanine derivative containing copper. Its technical description, "[2-(29H, 31H-phthalocyaninylmethyl) -1H -isoindole-1,3 (2H)-dionato (2-)-N29, N30, N31, N32] copper," highlights its intricate chemical structure.

The classification within Chapter 99 signifies that this entry falls under special provisions related to temporary legislation or trade agreements, rather than standard product categories. It is specifically provided for under subheading 3204.19.50, which generally pertains to other synthetic organic coloring matter. However, this 9902 code signifies a unique classification due to specific trade or regulatory measures affecting this particular compound.

As a leaf node within the HTS database, 9902.08.82 has no further subcategories. Its purpose is to isolate and track this specific chemical under particular tariff or import control regimes. Therefore, any product classifiable here is solely this defined mono or diphthalimido methyl copper phthalocyanine, distinguished from other pigments or organic colorants that might fall under the broader 3204 heading by its precise chemical identity and the specific temporary legislation governing its importation.