9902.08.17 - Acid Red 52 (sodium 4-[3,6-bis(diethylamino)-9-xantheniumyl]-1,3-benzenedisulfonate) (CAS No. 3520-42-1) (provided for in subheading 3204.12.20)

This HTS category, 9902.08.17, specifically addresses Acid Red 52, a synthetic organic dye identified by its chemical name and CAS number. This classification is part of Section XXII, which deals with temporary legislation, modifications to trade agreements, and specific import restrictions. The inclusion of Acid Red 52 within Chapter 99 indicates it is subject to special, likely temporary, import regulations or duty rates, separate from its standard classification. Its purpose is primarily as a colorant in various industrial applications.

As a leaf node within the HTS database, this category does not have further subcategories. Its specificity lies in its direct reference to Acid Red 52, ensuring that this particular dye is precisely identified for customs purposes. This avoids misclassification with other dyes or chemicals that might share similar properties but are subject to different tariff treatments or are classified under different primary headings, such as those found in Chapter 32, which deals with dyes and pigments. The provision for this item within subheading 3204.12.20 highlights its origin as a specific type of synthetic organic coloring matter.