1,3,5-Trimethylbenzene (Mesitylene) from Mexico
Mesitylene is a symmetrical trialkylbenzene used as solvent and pyrotechnic fuel. It qualifies under HTS 2902.90.30 as a polyalkylbenzene per the exact subheading description. High symmetry gives unique solvency properties.
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
• Flash point 52°C requires flame-proof electrical equipment certification
• Biodegradation studies recommended for environmental compliance declarations
• Specify AR (analytical reagent) grade vs technical grade on entry documents