9902.02.54 - 3-Pentanone (Diethyl ketone) (CAS No. 96-22-0) (provided for in subheading 2914.19.00)

This HTS category, 9902.02.54, specifically addresses 3-Pentanone, also known as Diethyl ketone (CAS No. 96-22-0). While this chemical compound is classified under Chapter 29 (Organic Chemicals), specifically subheading 2914.19.00, its inclusion within Chapter 99 signifies a temporary modification or restriction related to trade agreements or agricultural adjustment legislation. This temporary provision overrides the standard classification for this specific chemical.

As a leaf node within Chapter 99, there are no further subcategories under 9902.02.54. Its existence as a standalone item within this chapter highlights its distinct regulatory treatment, separate from the broader classification of chemicals in Chapter 29 or other temporary measures found elsewhere within Chapter 99. The purpose of this specific entry is to control or monitor the import of 3-Pentanone under particular circumstances, as dictated by the legislation referenced in Section XXII.

Therefore, when encountering 3-Pentanone (Diethyl ketone) for import, it is crucial to consult this specific HTS code within Chapter 99 to ascertain any applicable temporary duties, quotas, or other trade-related requirements that may be in effect, rather than solely relying on its permanent classification under Chapter 29. This temporary provision indicates a specific policy objective that necessitates distinct customs procedures for this chemical.