2,4,6-Trimethylphenol (Mesitol) from Japan
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 — Japan → United States
12.5%
Rate breakdown
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
• 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