9902.02.52 - 2,4-Disulfobenzaldehyde (CAS No. 88-39-1) (provided for in subheading 2913.00.40)

This HTS classification, 9902.02.52, specifically covers 2,4-Disulfobenzaldehyde (CAS No. 88-39-1). It is designated for temporary import measures and is provided for under subheading 2913.00.40, indicating its chemical nature as a derivative of cyclic ketones. The inclusion of this specific chemical under Chapter 99 signifies that its importation may be subject to special provisions, such as temporary modifications or restrictions, often linked to trade agreements or agricultural adjustment legislation.

As this is a leaf node, there are no further subdivisions within this particular classification. Therefore, distinctions from siblings are not applicable in the traditional sense of a hierarchical structure. The primary characteristic differentiating this entry is its precise chemical identity and its placement within the temporary measures chapter, rather than a broader category of chemically related compounds or general merchandise. Its unique CAS number ensures specific identification for regulatory purposes.