9902.06.55 - 6-Chloro-2-N,4-N-diethyl-1,3,5-triazine-2,4-diamine (Simazine) (CAS No. 122-34-9) (provided for in subheading 2933.69.60)

This HTS category, 9902.06.55, specifically covers the chemical compound 6-Chloro-2,4-N,N-diethyl-1,3,5-triazine-2,4-diamine, commonly known as Simazine. Simazine is an organic chemical used primarily as a selective herbicide. Its classification within Chapter 99 signifies its status under temporary legislation or specific trade agreement provisions, often indicating a need for special import considerations beyond its basic chemical classification. The reference to subheading 2933.69.60 provides its primary chemical classification, while this Chapter 99 code applies a distinct set of import rules.

As a leaf node within Chapter 99, this category does not have further subdivisions. Its distinctiveness from other sibling categories within Chapter 99 lies in the specific compound it identifies and the associated temporary import provisions it falls under. Unlike general temporary measures or broad trade agreement modifications that might be found elsewhere in Chapter 99, this code targets a particular chemical substance with a defined purpose and origin under specific regulatory frameworks. The CAS number (122-34-9) serves as a unique identifier for this chemical entity, ensuring precise classification for regulatory and tariff purposes.