9902.01.18 - Light oil fractions containing more than 50 percent by weight of isododecane (CAS No. 93685-81-5) (provided for in subheading 2710.12.90)

This HTS category, 9902.01.18, specifically covers light oil fractions that are characterized by containing a predominant amount, more than 50 percent by weight, of isododecane (CAS No. 93685-81-5). This precise chemical composition and specific constituent are the defining criteria for classification under this provision. While the broad scope of Chapter 99 relates to temporary legislation and trade agreement modifications, this particular subheading targets a very specialized petroleum derivative.

Distinguishing this category from its siblings within the broader HTS is crucial for accurate classification. Unlike general categories for live animals or agricultural products, 9902.01.18 pertains to refined petroleum products with a specific chemical makeup. Its relationship to subheading 2710.12.90, which it is "provided for in," indicates that this temporary provision modifies or sets aside the standard classification for such light oil fractions. Importers must therefore consult both the temporary provision and the underlying permanent heading to fully understand the applicable duties, restrictions, or other trade provisions.

As a leaf node within the HTS database, this category does not have further subdivisions. Therefore, the classification is definitively determined by the presence of isododecane exceeding 50 percent by weight within a light oil fraction. This narrow scope necessitates careful laboratory analysis or reliable product documentation to confirm compliance with the classification requirements. Any product failing to meet this specific weight percentage of isododecane would be classified elsewhere, likely under the referenced subheading 2710.12.90 or another relevant provision based on its actual composition.