Ethylene Oxide 99.9% Purity USP Grade from Japan
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 — 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 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