2,4,6-Trimethylphenol (Mesitol) from China
Although trimethyl-substituted, mesitol qualifies as a xylenol derivative under HTS 2907.19.61.00 when chemically defined as pure compound. Used in pharmaceutical synthesis and polymer stabilizers.
Duty Rate — China → United States
37.5%
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
• Confirm via mass spectrometry exact molecular weight 136.19 matching mesitol
• Document crystal structure (mp 63°C) proving discrete molecules vs polymers
• Ensure <2ppm heavy metals per USP standards for pharma intermediate use