4-Hydroxy-4-methyl-2-pentanone from Japan
4-Hydroxy-4-methyl-2-pentanone is a ketone-alcohol featuring both a ketone functional group and a hydroxyl group on adjacent carbons. It falls under HTS 2914.40.90.00 as a ketone-alcohol not specifically enumerated elsewhere in the heading. This compound is used as a chemical intermediate in organic synthesis.
Duty Rate — Japan → United States
22.7%
Rate breakdown
9903.04.6210.2%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 Certificate of Analysis confirming chemical identity and purity >98% to avoid reclassification
• Include Material Safety Data Sheet (MSDS) detailing flash point and handling precautions for ketone-alcohols
• Ship with stabilizers if required; declare as pure compound vs solution to prevent duty reassessment