4-Hydroxy-4-methyl-2-pentanone from China
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 — China → United States
43%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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