Methyl Propyl Ketone (2-Pentanone) from Japan
Methyl propyl ketone, or 2-pentanone (CH3COCH2CH2CH3), is a colorless liquid acyclic ketone serving as an intermediate in pharmaceutical synthesis and flavor production. Classified under HTS 2914.19.00.00 for acyclic ketones without other oxygen functions, excluding acetone and methyl ketones with specific provisions. It qualifies as a separate chemically defined organic compound.
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
• Provide analytical data confirming acyclic ketone structure and absence of other oxygen functions; watch for REACH compliance if destined for EU
• Pitfall: bulk shipments sometimes mislabeled as 'pentanone mixtures' leading to 3824 classification