9902.09.11 - Mixtures of 1-butanol (CAS No. 71-36-3); 1-propoxy-2-propanol (mixed isomers) (CAS No. 1569-01-3); siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated propoxylated (CAS No. 68937-55-3); 2-methyloxirane, oxirane, 3-prop-2-enoxyprop-1-ene (CAS No. 9041-33-2); urea, polymer with formaldehyde, methylated (CAS No. 68071-45-4); 2-propanol (CAS No. 67-63-0); 2-amino-2-methyl-1-propanol (CAS No. 124-68-5); 2-methyl-2-(methylamino)-1-propanol (CAS No. 27646-80-6); methanol (CAS No. 67-56-1) and water (CAS No. 7732-18-5) (provided for in subheading 3402.19.50)

This HTS classification, 9902.09.11, pertains to a specific mixture of chemical substances provided for in subheading 3402.19.50. The mixture includes a range of organic compounds such as 1-butanol, 1-propoxy-2-propanol (mixed isomers), siloxanes and silicones (dimethyl, 3-hydroxypropyl methyl, ethoxylated propoxylated), 2-methyloxirane, oxirane, 3-prop-2-enoxyprop-1-ene, urea polymer with formaldehyde (methylated), 2-propanol, 2-amino-2-methyl-1-propanol, 2-methyl-2-(methylamino)-1-propanol, methanol, and water. The inclusion of these specific components and their provision under 3402.19.50 are critical for accurate classification within this temporary legislation chapter.

As this is a leaf node within Chapter 99, it does not have further subcategories. Its uniqueness lies in the precisely defined composition of the mixture, which is subject to specific temporary modifications or restrictions. Unlike the general categories found at the higher levels of the HTS, such as live animals (Chapters 01), this entry is not defined by a broad class of goods but by a detailed chemical formulation intended for specific trade policy purposes. The classification relies on the precise identification of all listed chemical constituents and their presence in the imported product.