Research Grade Ethylene 99.999% from Japan
Ultra-high purity ethylene (5N, 99.999%) for laboratory spectroscopy, reaction kinetics studies, and materials research. Single chemically defined compound per Chapter 29 note (a), supplied in lecture bottles or high-pressure cylinders. Trace analysis certificate included.
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
• Include GC-MS chromatogram showing impurities <10 ppm for customs verification,Lecture bottles (<3.5L) qualify for small quantity exemptions on some documentation,University/lab end-user statements help expedite clearance for research chemicals