Diisobutyl Ketone (2,6-Dimethyl-4-Heptanone) from Japan
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 — Japan → United States
23.5%
Rate breakdown
9903.04.6211%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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