|The stilbenic optical brightening agents (OBAs) covered by this order are all forms (whether free acid or salt) of compounds known as triazinylaminostilbenes (i.e., all derivatives of 4,4’-bis [1,3,5- triazin-2-yl] The brackets in this sentence are part of the chemical formula.|
amino-2,2’-stilbenedisulfonic acid), except for compounds listed in the following paragraph. The stilbenic OBAs covered by this order include final stilbenic OBA products, as well as intermediate products that are themselves triazinylaminostilbenes produced during the synthesis of stilbenic OBA products.
Excluded from this order are all forms of 4,4’-bis[4-anilino-6-morpholino-1,3,5-triazin-2-yl] Id. amino-2,2’-stilbenedisulfonic acid, C40H40N12O8S2 (“Fluorescent Brightener 71”). This order covers the above-described compounds in any state (including but not limited to powder, slurry, or solution), of any concentrations of active stilbenic OBA ingredient, as well as any compositions regardless of additives (i.e., mixtures or blends, whether of stilbenic OBAs with each other, or of stilbenic OBAs with additives that are not stilbenic OBAs), and in any type of packaging.
These stilbenic OBAs are classifiable under subheading 3204.20.8000 of the Harmonized Tariff Schedule of the United States (HTSUS), but they may also enter under subheadings 2933.69.6050, 2921.59.4000 and 2921.59.8090. Although the HTSUS subheadings are provided for convenience and customs purposes, the written description of the merchandise is dispositive.