Research Grade Ethylene 99.999% from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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