2,4,6-Trimethylphenol (Mesitol) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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