Isophorone (3,5,5-Trimethylcyclohex-2-en-1-one) from China
Isophorone is a clear, colorless to pale yellow liquid ketone with the chemical formula C9H14O, specifically classified as a cyclenic ketone without other oxygen functions. It falls under HTS 2914.29.10.00 due to its precise chemical structure matching the legal definition of isophorone in Chapter 29 for separate chemically defined organic compounds. Primarily used as an industrial solvent and chemical intermediate.
Duty Rate — China → United States
41.5%
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
• Verify purity exceeds 99% with supplier COA to confirm classification as pure isophorone; ensure DOT-compliant packaging for corrosive liquid transport; obtain TSCA certification for EPA pre-registration