9902.08.19 - Tetrasodium [7-amino-3-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4-hydroxy -2-naphthalenesulfonato(3-)][6-amino-4- hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalene- sulfonato(4-)]-chromate(4-) (Sanodal Deep Black HBL) (CAS No. 184719-87-7) (provided for in subheading 3204.12.45)

This HTS code, 9902.08.19, specifically covers a complex chromium-based dye, identified by the chemical name Tetrasodium [7-amino-3-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4-hydroxy-2-naphthalenesulfonato(3-)][6-amino-4-hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalenesulfonato(4-)]-chromate(4-), and commonly known as Sanodal Deep Black HBL. This designation falls under Chapter 99 of the HTS, which pertains to temporary legislation, modifications to trade agreements, and special import restrictions. The inclusion of the CAS number (184719-87-7) provides a definitive identifier for this particular chemical compound.

Given that this is a leaf node, there are no further subcategories. The classification is highly specific to this particular dye. It is crucial to note that while the description provides the full chemical nomenclature and common name, the underlying tariff classification for this product, when not subject to temporary provisions, would typically be found within Chapter 32, specifically under subheading 3204.12.45, which covers other synthetic organic dyestuffs and preparations based thereon. This Chapter 99 entry likely reflects a temporary measure or provision related to the import of this specific dye.