Mesitylene (1,3,5-Trimethylbenzene) from Canada
Mesitylene is 1,3,5-trimethylbenzene (C9H12), a symmetrical trialkylbenzene. It is explicitly named in HTS 2902.90.20.00 as a cyclic hydrocarbon used as a solvent and in resin production.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm three identical NMR singlets at 6.8, 2.3 ppm for structural verification
• Specify water content <0.02% for anhydrous grades
• Use steel drums with nitrogen padding for moisture-sensitive shipments