2903.19 - Other:

This HTS classification, 2903.19, encompasses "Other" saturated chlorinated derivatives of acyclic hydrocarbons not specifically enumerated in preceding subheadings. This category serves as a residual classification for compounds that meet the general criteria of being saturated, acyclic hydrocarbons that have undergone chlorination, but do not fall under the more precisely defined categories such as chloromethane, dichloromethane, chloroform, carbon tetrachloride, or ethylene dichloride. The key distinguishing factor for this category is the specific chemical structure and the absence of a dedicated HTS code for the particular compound.

Unlike its siblings, 2903.19 does not cover single, commonly recognized chlorinated alkanes like those listed separately. For instance, while 2903.15.00.00 specifically addresses ethylene dichloride (1,2-dichloroethane), this category would capture other dichlorinated acyclic hydrocarbons. The distinction lies in the precise number and position of chlorine atoms and the carbon chain length, where specific enumerations have not been made.

The subcategories under 2903.19 further refine this residual grouping. 2903.19.05.00, for example, details specific dichlorinated compounds like 1,2-dichloropropane and dichlorobutanes, indicating that even within "other," certain common or particularly relevant compounds are given their own subdivisions. The remaining subcategories, such as 2903.19.30.00 for sec-butyl chloride and the final 2903.19.60 for any remaining "Other" compounds, demonstrate a hierarchical approach to classifying these diverse chlorinated hydrocarbons based on their specific structural characteristics.