Isopentane Low Boiling Fraction from Japan
Distilled isopentane fraction (boiling point ~28°C) for precision applications in organic synthesis. HTS 2901.10.30.00 as saturated acyclic isomer per chapter notes. High assay purity minimizes side reactions.
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
• Provide distillation range specs; inert atmosphere packaging
• Pitfall: thermal instability in hot climates