Ethylene Oxide 99.9% Purity USP Grade from Canada
High-purity ethylene oxide meeting USP standards for pharmaceutical applications, a separate chemically defined epoxide under Chapter 29 note (a). It fits HTS 2910.10.00.00 due to its three-membered ring structure and lack of impurities affecting classification.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include Certificate of Analysis confirming USP purity to avoid reclassification
• Use licensed carriers for flammable gas transport per IATA/49 CFR
• Verify importer security filing (ISF) for chemical precursors