Diisobutyl Ketone (2,6-Dimethyl-4-Heptanone) from China
Diisobutyl ketone, chemically 2,6-dimethyl-4-heptanone, is a high-boiling acyclic ketone employed in solvent blends for coatings and adhesives. It qualifies for HTS 2914.19.00.00 as an acyclic ketone without other oxygen functions, per strict Chapter 29 criteria for chemically defined compounds.
Duty Rate — China → United States
29%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Declare exact CAS number (108-83-8) on entry docs; test for stabilizer content per Chapter note (f)
• Common issue: classifying with plasticizers into 390x headings