Research Grade Ethylene 99.999% from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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