4-Hydroxy-4-methyl-2-pentanone from Japan

This tertiary hydroxy aromatic ketone substitute is actually 4-hydroxy-4-methylpentan-2-one, but classified here when aromatic-modified. HTS 2914.50.30.00 covers such ketone-oxygen function aromatics used in polymer synthesis. Commonly employed as a photoinitiator precursor.

Duty Rate — Japan → United States

5.5%

Rate breakdown

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

Confirm no peroxide formation via peroxide test strips before shipping

Use HDPE containers with PTFE liners for ketone compatibility

Declare flash point (62°C) on MSDS for DOT classification