n-Pentane Spectroscopic Grade from Japan
Spectro-grade n-pentane with minimal UV absorbance for use in spectrophotometry and NMR spectroscopy. This chemically defined acyclic saturated hydrocarbon is specifically under HTS 2901.10.30.00. Ensures transparent spectra without interference.
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
• Supply UV cutoff and absorbance data sheets; ship in amber glass to prevent light degradation
• Common issue: inadequate stabilization for long transits